Add.52 + 13
A. 74
B. 56
C. 83
D. 65
Answer: D
Mathematics
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Use the formula for 
to evaluate the expression.
A. 120 B. 5 C. 20 D. 4
Mathematics
Simplify the expression. Assume that all variables represent nonnegative real numbers.
+ 
+ 
+ 
A. 181
+ 15x
B. 
xy + 
+ 15x
C. 19
+ 
+ 
D. 19
+ 15x
Mathematics
Perform the operation.
A. 
B. 
C. 
D. 
E. 
Mathematics
Simplify.
A. 2z3
B. 3z3
C. 3z3
D. 2z3
Mathematics