Subtract -2k^3 + k^2 - 9 from 5k^3 - 3k + 7.

a. 3k^3 + k^2 - 3k - 2
b. -7k^3 + k^2 + 3k - 16
c. 7k^3 - k^2 - 3k + 16

Given right triangle xyz, which correctly describes the locations of the sides in relation to

What situation is an example of an observational study

Asquare has a perimeter of sixteen centimeters. what is the length of each of its sides? a. 8 cm c. 9 cm b. 4 cm d. 10 cm select the best answer from the choices