Answer:
y = 6x - 40
Step-by-step explanation:
A = l x w
8712 = 99 x w
w = 8712/99
w = 88
Its width is equals 88
70 cents
Answer: <em>the value is</em> 13
we simply substitute the letter for the number 4.
4^2 - 3
16 - 3
13
1. 4x -3 = 2x + 9
4x - 2x + 9 +3
2x = 12
x=6
2. -2x + 4= 6x -20
-2x -6x = -20 - 4
-8x = -24
x=3