Ppplllzzz
what is the perimeter of apqr with vertices p(-2, 9), (7.-3), and r(-2, -3) in the coordinate plane?
21 units
25 units
34 units
36 units

The table shows a pattern of exponents. what is the pattern as the exponents decrease?

Christine went shopping and bought each of her six six nephews a? gift, either a video costing? $14.95 or a cd costing? $16.88. she spent ? $ 97.42 97.42 on the gifts. how many videos and how many cds did she? buy?

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%