Helping Hands, Inc., wants to repair its aging roof and hot water heater but lacks the funds to do so. Members of the charity publicize a call for donations to fund the necessary repairs. James is a long-time supporter and pledges $30,000 to the charity for this purpose. James pledges because he believes in the mission of the organization. Relying on James's pledge, the charity enters into construction and hiring contracts to begin work. When six months later Irene, the CEO of the charity, asks James for the donation, James declines to provide it. In this case, Helping Hands:
a. can enforce James's pledge because James and Helping Hands agreed on a gift.
b. cannot enforce James's pledge because it lacks sufficient consideration.
c. can enforce James's pledge on the grounds of promissory estoppel based on a charitable subscription.
d. cannot enforce James's pledge because the statute of limitations has expired.

Running and sleep. sufficient sleep is important for adolescents for both their neural and psychological development. despite this, daytıme sleepiness and poor physical and psychological functioning related to chronic sleep disturbances are common. there is a growing body of evidence that exercise is associated with both better sleep and improved psychological functioning sixty participants were recruited from a high school in northwesten switzerlandthey were randomly assigned to either a running group or a control group, 30 to each group the running group ran every moming for a little over 30 minutes on weekdays for a three-week period. all participants used a sleep log for subjective evaluation of sleep, and sleep was also objectively assessed at the beginning and end of the study using a sleep electroencephalographic device that measured quantities such as sleep efficiency and time spent in the four different sleep phases. running was found to have a positive impact on both objective and subjective measures of sleep functioning what are the explanatory variable(s) and the response variable(s)? (a) outline the design of the experiment (b) (c) here are some more details on the treatment and control groups. all participants arrived at school at 7 a.m., and the running group did two laps on the track and then ran cross countrv in groups of at least four people for 30 minutes the control group remained seated at the track, worked on horpework. and interacted with each other. when the runners returned, all participants prepared for school and ate a breaktast that was provided. iwhy do you think the experimenters had the control group arrive at 7 am interact withdassmates and have breaktast together? explain. do you think having the control eroup do these activities is important for the types of conclusion that can be reached? how?

Of the following choices, which ones are characteristics of west african society? select all that apply. a. arabic was the main language used when trading with other societies. b. christianity was the only religion practiced in villages. c. slaves had no rights and were only given specific farming tasks. d. skilled workers were a higher level in the caste system than traders. e. religious rituals encouraged the honoring of ancestors.

What was one of the main goals of european exploration