Answer:
x = 2
y = -1
Step-by-step explanation:
2x + y = 3
-2y = 14 - 6x
6x - 2y = 14
2x + y = 3 | ×3 |
6x - 2y = 14 | ×1 |
6x + 3y = 9
6x - 2y = 14
__________--
5y = -5
y = -5/5
y = -1
2x + y = 3
2x + (-1) = 3
2x = 3 + 1
2x = 4
x = 4/2
x = 2
A.51
because 5x15=75, 8x3=24, 75-24=51
Answer:
b = 50
b = -40
Step-by-step explanation:


b = 50
b = -40
Answer:
B, 224in2
It may get tedious but just find the area of each face and write them down
Step-by-step explanation: