Use the distributive property to write the expression without parentheses. Then simplify, if necessary.9(x - 6)
A. 9x - 15
B. 9x - 6
C. 9x - 54
D. 9x + 54
Answer: C
Mathematics
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Evaluate the integral using the given substitution.
dx , u = x5 - 8
A. 
x15 - 8 + C
B. 
(x5 - 8)3 + C
C. 
(x5 - 8)3 + C
D. 
(x5 - 8)1 + C
Mathematics
Two triangles below are similar. Find missing length(s).
A. x = 1.60; y = 3.6 B. x = 4.9; y = 3.6 C. x = 5.6; y = 3.9 D. x = 4.9; y = 3.9
Mathematics
Solve the problem.Find g(a + 1) when g(x) = 
x + 1.
A. 
B. 
a - 2
C. 
a + 1
D. 
Mathematics
Identify the type of sampling described by the proposal.An education researcher randomly selects 60 of the nation's junior colleges and interviews all of the professors at each school.
A. stratified sample B. cluster sample sample C. convenience sample D. simple random sample E. systematic sample
Mathematics