Plot the complex number.5i
A. 
B. 
C. 
D. 
Answer: C
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Provide an appropriate response. Find the product: (5x + 6)(5x - 6)
A. 25x2 - 36 B. 5x2 -- 36 C. 25x2 - 60x + 36 D. 10x2 - 12
Rationalize the denominator. Assume all variables represent positive numbers.
A. 
B. 
C. 
D. 
Solve the problem.A circular pool measures 8 feet across. One cubic yard of concrete is to be used to create a circular border of uniform width around the pool. If the border is to have a depth of 
, how wide will the border be? Use 3.14 to approximate ?. Express your solution rounded to two decimal places. (1 cubic yard = 27 cubic feet)
A. 8.37 ft B. 3.1 ft C. 5.43 ft D. 2.88 ft
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.
(log4 x + log4 y)
A. 
B. log4 
C. log4 
+ log4 
D. log4 