Solve.x varies inversely as y2. If x = 5 when y = 18, find x when y = 3.
A. x = 180
B. x = 6
C. x = 150
D. x = 45
Answer: A
Mathematics
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Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log 
A. log (5x5
) - log (7(x + 1)2)
B. log 5 + 5log x + 
log (1 - x) - log 7 + 2log (x + 1)
C. log 5 + 5log x + 
log (1 - x) - log 7 - 2log (x + 1)
D. log 5 + log x5 + log (1 - x)1/5 - log 7 - log (x + 1)2
Mathematics
Rewrite as a terminating decimal.
A. 0.65 B. 0.5 C. 0.6 D. 0.7
Mathematics
Multiply.0(-33)
A. -33 B. 33 C. 0 D. 1
Mathematics
Do the operation and express the answer in a + bi form.
A) 16 - 3 i
B) - 16 + 2 i
C) - 3 + 2 i
D) 3 - 2 i
E) 16 + 2 i
Mathematics