Gonna upvote
a class of 18 students took a math test. seven students had an average of 90. the other students had an average of 82.

what is the average for the whole class? round to the nearest whole percent.
a) 80
b) 83
c) 85
d) 87

The table shows the age and finish time of ten runners in a half marathon. identify the outlier in this data set. drag into the table the ordered pair of the outlier and a reason why that point is an outlier.

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.