Simplify the expression. Assume that all variables are positive when they appear.
A. -5
B. 
C. -5
D. 
Answer: B
Mathematics
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Decide whether the statement is true or false.If the numerator and the denominator of a fraction are different prime numbers, then the fraction is always in lowest terms.
A. False B. True
Mathematics
Solve for x using an equivalent exponential expression.The length of a rectangle is 93 in. and the width is 78 in. Find its perimeter.
A. 342 in. B. 264 in. C. 7,254 in. D. 171 in.
Mathematics
Find the area.
A. 188 cm2 B. 184 cm2 C. 54 cm2 D. 192 cm2
Mathematics
Solve the problem.Express the gross salary G of a person who earns $30 per hour as a function of the number x of hours worked.
A. G(x) = 30x2
B. G(x) = 30 + x
C. G(x) = 
D. G(x) = 30x
Mathematics