Simplify the expression, leaving your answer with only positive exponents. Assume that all variables represent positive numbers.
A. x
B. 
C. x9/8
D. x1/2
Answer: D
Mathematics
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Express the set in roster form.{x|x is a negative multiple of 4}
A. {0, -4, -8, . . .} B. {4, 8, 12, . . .} C. {-4, -16, -64, . . .} D. {-4, -8, -12, . . .}
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Use the chart below to determine how many times brighter Star C is than Star D. (Round to the nearest whole number.)
A. Star C is 8 times brighter than Star D. B. Star C is 9 times brighter than Star D. C. Star C is 178 times brighter than Star D. D. Star C is 63 times brighter than Star D.
Mathematics
Answer the question about the period of the function.Find the period of the function f(?) = sin 
.
A. 
B. 10?
C. 5?
D. 
Mathematics