Answer:
$21.50
Step-by-step explanation:
34.00 - 12.50
Answer:
Step-by-step explanation:
y = x² - 7
Add 7 to both sides.
y + 7 = x²
Take square root on both sides.
±√(y + 7) = x
Switch variables.
±√(x + 7) = y
Answer:
<h2>10x - 5</h2>
Step-by-step explanation:
8x - 5 + 2x <em>combine like terms</em>
= (8x + 2x) - 5
= 10x - 5
I'm pretty sure this is true