Find the equation of the outer rim of the circular arch shown below.
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A. 
B. ?
C. ?
D. ?
E. ?
Answer: A
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Find the least common denominator.
and 
A. (x - 3)(x - 1) B. (x + 2)(x - 3)(x + 7)(x - 1) C. (x - 3)(x + 7) D. (x + 2)(x + 7)
Use the Distributive Property to remove the parentheses.3(7x + 4)
A. 10x + 7 B. 21x + 12 C. 21x + 4 D. 33x
Solve the problem.If an object weighs m pounds at sea level, then its weight W (in pounds) at a height of h miles above sea level is given approximately by W(h) = m 
2. How much will a man who weighs 165 pounds at sea level weigh on the top of a mountain which is 14,494 feet above sea level? Round to the nearest hundredth of a pound, if necessary.
A. 165.23 pounds B. 165 pounds C. 7.72 pounds D. 164.77 pounds
Factor out the GCF from the polynomial.21y3 - 9y2 + 15y
A. 3y(7y3 - 3y2 + 5y) B. y(21y2 - 9y + 15) C. 3(7y3 - 3y2 + 5y) D. 3y(7y2 - 3y + 5)