Work Shown:
C = 2*pi*r
78.5 = 2*3.14*r
78.5 = 6.28r
r = (78.5)/(6.28)
r = 12.5
Answer:
3484.8 in inches
Step-by-step explanation:
turn feet to inches and multiply all values
x² - 4
Step 1: Write expression
(x + 2)(x - 2)
Step 2: FOIL
x² + 2x - 2x - 4
Step 3: Combine like terms
Answer: 3
8 Is your answer so option A
The answer is: x^4+6x+6
