Evaluate each expression if r=−3,s=4, and t=7 A. r^2 + square root of 8
B. t-r/ s
C. 2s^2 + r-t
D. 3 (s-t)^2

I need answers FAST! So confused! Please Help!!​​

c is the correct answer

step-by-step explanation:

the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)

m∠a is 90°

m∠b is 40°