Add or subtract. Simplify by combining like radical terms, if possible.-7
+ 2
A. -32
B. 24
C. 32
D. -24
Answer: D
Mathematics
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Determine how many decimal places the product will have. Do not multiply.0.4 × 3
A. three B. two C. none D. one
Mathematics
Solve.Tiffany bought a video for $11.50. If she paid with two $10 bills, what was her change?
A. $9.00 B. $9.5 C. $8.5 D. $8.4
Mathematics
Simplify the expression. Assume that all variables represent nonnegative real numbers.
+ 
+ 
+ 
A. 21
+ 
+ 
B. 21
+ 7x
C. 
xy + 
+ 7x
D. 221
+ 7x
Mathematics
What part of the set of objects is shaded?
A. 
B. 
C. 
D. 
Mathematics