Answer the question.Choose the expression that is equivalent to the following: 15x + 5y
A. 20xy
B. 5(3x + y)
C. 5(10x + y)
D. 5(3x + 5y)
Answer: B
Mathematics
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Multiply.(2x + 9y)2
A. 2x2 + 36xy + 81y2 B. 4x2 + 81y2 C. 4x2 + 36xy + 81y2 D. 2x2 + 81y2
Mathematics
Evaluate the expression for the given replacement values. Write the answer in simplest form.xy for x = 
, y = 
A. 7
B. 
C. 
D. - 
Mathematics
Solve the equation.6x = 24
A. 144 B. 4 C. -2 D. 10
Mathematics
Determine whether the given function is exponential or not. If it is exponential, identify the value of the base a.
A. Exponential; a = 
B. Exponential; a = 
C. Exponential; a = 10
D. Not exponential
Mathematics