URGENT, LAST 2 QUESTION AT LEAST TAKE A LOOK!! Given the picture below, which is the longest side?
A) This cannot be determined.
B) PR
C)PQ
D) QR

4. Which combination of measurements could form a triangle?
A) 22m, 28m, 51m
B) 16m, 24m, 38m
C) 6m, 9m, 16m
D) 11m, 21m, 33m

Use the net as an aid to compute the surface area of the triangular prism. a) 550 m2 b) 614 m2 c) 670 m2 d) 790 m2

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?