57-39=18 so 39+18=57 so the answer is 18
Answer:
3
Step-by-step explanation you do the f(x) witch is 3
Answer:

Step-by-step explanation:
Length and width of the yard are
and
.

Answer:
Step-by-step explanation:
y - 2 = -8(x + 3)
y - 2 -8x - 24
y = -8x - 22
<span>-4p-7=5p+11
-4p - 5p = 11 + 7
-9p = 18
p = -2</span>