follow these steps:
1) y-4=7x^2
2) (y-4)/7 = x^2

so you must inverse x and y names:

<span>4x - 15 = 3 </span>
<span>4x = 3 + 15 </span>
<span>4x = 18 (divide both sides by 4 to get x) </span>
<span>4x/4 = 18/4 </span>
<span>x = 4.5 </span>
Answer: n= number of books
n+5=?
Step-by-step explanation:
Answer: 75 ft
Step-by-step explanation:
45x10 = 450
450/6=75
9 h +2 < - 79
9 h < - 79 - 2
9 h < -81
h < - 81 / 9
h < - 9
hope this helps!.