Suppose the average waiting time for a customer's call to be answered by a company representative (modeled by exponentially decreasing probability density functions) is 20 minutes. Find the median waiting time.
a. 13.86 minutes
b. 17.86 minutes
c. 15.86 minutes
d. 16.86 minutes
e. 14.86 minutes
a. 13.86 minutes
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Decide whether the statement is compound.21 + 37 ? 54
A. Not compound B. Compound
Classify the polynomial as constant, linear, quadratic, cubic, or quartic, and determine the leading term, the leading coefficient, and the degree of the polynomial.g(x) = 305x2 + 4517x3
A. Quadratic; 305x2; 305; 2 B. Cubic; 4517x3; 4517; 3 C. Quadratic; 4517x2; 4517; 2 D. Cubic; x3; 4517; 3
Use De Moivre's theorem to evaluate the expression. Write the result in standard form.(2 - 2i)5
A. -64
+ 64i
B. -
+ i
C. -64 + 64i
D. -128 + 128i
Use a graphing calculator to solve the nonlinear system. Give x- and y-coordinates to the nearest hundredth.y = 
x2 + y2 = 5.7
A. {(-1.50, 1.86), (1.84, 1.52)} B. {(-1.84, -1.52), (1.50, -1.86)} C. {(-1.50, -1.86), (1.84, -1.52)} D. {(-1.84, 1.52), (1.50, 1.86)}