Answer:
8/18
Step-by-step explanation:
4.25x + 7 = 53.75
Subtract 7 from both sides:
4.25x = 46.75
Divide both sides by 4.25:
X = 46.75 / 4.25
x = 11
7 = s²
s = x + 2
7 = (x + 2)²
7 = (x + 2)(x + 2)
7 = x² + 2x + 2x + 4
7 = x² + 4x + 4
x² + 4x = 3
25
5 10 15 20 25
