Question

PLEASE ANSWER!!

1. Evaluate the following expression using the values given:

Find 2r^2 + 3s^3 − r^2 + 4t^2 − r^2 if r = −2, s = −3, and t = 5.

−19
−37
27
19

Answer 1

2r^2+3s^3-r^2+4t^2-r^2
Lets just plug everything in
2(-2)^2+3(-3)^3-(-3)^2+4(5)^2-(-2)^2
Simplify
8+(-81)-9+100-4
108-94
14