Answer:
<h2>5(x + 7)²</h2>
Step-by-step explanation:

Answer:
-2
Step-by-step explanation:
9+n/4= -15
cross multiply
9+4-15=n
13-15=n
n=-2
Yes I got an A in college algebra...
The answer to the problem is
y=1/2x
0.5x + 78.2 = 287
-78.2 -78.2
subtract 78.2 on both sides you will then get 0.5x = 208.8 you will then divide by 0.5 and the answer is x = 417.6