Answer:
x = -3
y = 4
Step-by-step explanation:
7x + 2y = -13
-7x + y = 25
3y = 12
-7x + 4 = 25
-7x = 21
there is only 1 solution for this equation is (-3,4)
Answer:2
D. 172.5 inches cubed
Have a good day :)
where is the diagram
16ft
use pythagreom thereom
12^2+b^2=20^2 solve
144+b^2=400
b^2= 256 square it
b= 16