Solve the problem.If a pizza of diameter 6 inches will feed one, how many will a pizza of diameter 18 inches feed? Assume that both pizzas have the same thickness.
A. 3
B. 27
C. 4
D. 9
Answer: D
Mathematics
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An important calculation in calculus is the evaluation of the expression 
, where h ? 0. Find 
.f(x) = 4x - 4
A. 4 + h B. 4 C. -4 D. -4 + h
Mathematics
Determine whether 
lie on a straight line.
?
A. no B. yes
Mathematics
Evaluate the sum.
3k
A. 12 B. 84 C. -84 D. -12
Mathematics
Use the discriminant to determine if the given equation can be solved by factoring. If it can be solved by factoring, find the factors.7k2 = -7k - 2
A. Cannot be solved by factoring B. (k + 2)(k - 7) C. (k + 1)(k - 3) D. (k - 1.4)2
Mathematics