Ahiker is climbing down a valley. he stops for a water break 4 times. between each break, he descends 15 meters. how many meters did he descend? ju chan answered the question by writing the following: 4(−15) meters = −60 meters. which word in the problem indicates that a negative number should be used?

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

Find the values of the variables in the kite

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true