Write the decimal as a fraction or mixed number in lowest terms.0.5
A. 
B. 
C. 
D. 
Answer: A
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A hypothesis test is to be performed. State the null and alternative hypotheses.A consumer group believes that the proportion of defects among computers produced by one manufacturer is greater than the 2% claimed by the company.
A. Null hypothesis: proportion of defectives = 2% Alternative hypothesis: proportion of defectives ? 2% B. Null hypothesis: proportion of defectives = 2% Alternative hypothesis: proportion of defectives > 2% C. Null hypothesis: proportion of defectives > 2% Alternative hypothesis: proportion of defectives = 2% D. Null hypothesis: proportion of defectives < 2% Alternative hypothesis: proportion of defectives > 2%
Evaluate the expression.10b รท 16a, for a = 2 and b = 10
A. 
B. 1600
C. 
D. 
Solve the system of equations by substitution.3x + y = 132x - 7y = 24
A. (5, 2) B. (-5, -2) C. (-5, 2) D. (5, -2)
Simplify.
A. 2
B. 2
C. 2
D. 9