Simplify the expression. Assume that all variables are positive when they appear.
A. 2y30
B. 2y28
C. 2y15
D. 4y15
Answer: C
Mathematics
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Find the missing value and write a conclusion.39% of what number is 78?
A. 39% of 0.5 is 78. B. 39% of 50 is 78. C. 39% of 2000 is 78. D. 39% of 200 is 78.
Mathematics
Express as a single logarithm and, if possible, simplify.log a 
- log a 
A. log a 
B. log a 
C. log a 
D. log a 
Mathematics
Evaluate the expression for the given replacement values. Write the answer in simplest form. x2(y - z) for x = 
, y = 
, z = 
A. - 
B. 
C. 
D. 
Mathematics
Answer the question.The following statement would be considered a step in solving an applied problem. True or false?Translate the problem into an equation.
A. False B. True
Mathematics