Answer:
r=6.4
Step-by-step explanation:
Get r by itself you need to add 8.5 to get 6.4
Hope this helps (:
r-8.5=-2.1
r=-2.1+8.5
I just tooked the test
C. 0 ≤ x ≤ 230
z=−215z=-215
C. y = 1/2x +2
yes i believe so,