Answer:
true
Step-by-step explanation:

Substitute x = 3 in any given equations. I will do in y = - x + 1

Therefore the answer is (3,-2)
Answer:
D.) 4x + y
Step-by-step explanation:
3x + x + y
Add 3
x and x
.
4
x + y
Answer:
40yd
Step-by-step explanation:
area of total minus unshaded portion