Rationalize the denominator.
A. 
B. 
C. 
D. 
Answer: A
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Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at 
and 
. The cross sections perpendicular to the x-axis between these planes are squares whose bases run from the semicircle 
to the semicircle 
.
A. 
B. 
C. 
D. 
Solve the problem.In how many ways can you answer the questions on an exam that consists of 5 multiple choice questions, each of which has 4 answer choices, followed by 5 true-false questions?
A. 615,873 B. 20,318 C. 157,598 D. 32,768
Solve the problem.How long will it take for $10,000 to grow to $38,300 at an interest rate of 3.6% if the interest is compounded quarterly? Round the number of years to the nearest hundredth.
A. 37.97 yr B. 149.88 yr C. 37.47 yr D. 106.87 yr
Multiply the polynomials.2x(4x - 1)(6x + 7)
A. 44x3 + 46x2 - 12x B. 46x2 + 45x - 14 C. 48x3 + 44x2 - 14x D. 24x3 + 22x2 - 7x