Answer:

Step-by-step explanation:
parabola equation with vertex (0 , 0) and focus length |f| = 7
4*f*(x - h) = (y - k)²
4*7*(x-0)=(y-0)²
28x = y²

A = l*w
61.64 = 9.2*w
w = 61.64/9.2 = 6.7
The width of the rectangle is 6.7 feet.
The answer is C.
40:20 is equal to 2:1
Answer:
53/50
Step-by-step explanation:
9/15 + 14/12
Simplify.
9/15 + 7/6
Make denominators equal.
54/90 + 105/90
Add fractions since denominators are equal.
159/90
Simplify.
= 53/50