Answer:
D=10.99
Step-by-step explanation:
Diameter = Circumference divided by Pi
34.54/3.14 = 10.99
=>7x+9=9x+5
=>7x+9-9=9x+5-9
=>7x=9x-4
=>7x-9x=9x-4-9x
=>-2x=-4
=>x=2
=>7x+9=7×2+9=23
=>9x+5=9×2+5=23
the answer is C
area = length times width
A = l* w
A = 10 * 50
A = 500 ft ^2
173.9
9.40 × 18.5 = 173.9.
