Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: C
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Calculate the area of the surface S.S is the portion of the sphere x2 + y2 + z2 = 16 between z = - 2
and z = 2
.
A. 32?
B. 32
?
C. 4
?
D. 16
?
Solve the problem. Round to the nearest cent.When Jackie was born, her grandparents deposited $2,000 into a saving account for her college education, earning an APR of 7
% compounding monthly. a. How much will be in the account when Jackie is eighteen?b. If Jackie makes arrangements to be paid the monthly interest when she turns eighteen, how much will she receive a month?
A. a. $7730.53, b. $85.89 B. a. $7682.51, b. $48.02 C. a. $4910.02, b. $30.69 D. a. $2237.36, b. $13.98
Solve the problem.Find the measure of each marked angle.
A. 79° and 101° B. 77° and 77° C. 79° and 11° D. 79° and 79°
Find the equation of variation if the following is true.Suppose m varies directly as p and m = 32 when p = 8.
A. m = 24p
B. m = 
p
C. m = 4p
D. m = 40p