Simplify.
A. 6
B. 15
C. 23
D. 90
Answer: A
Mathematics
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Rationalize the denominator and simplify.
A. 
B. 
C. 7
D. 7
Mathematics
Add or subtract as indicated. Write the answer in simplest form.- 
+ 
A. 
B. - 
C. 
D. - 
Mathematics
Solve.The perimeter of a square is 76 units. Write and solve an equation to find the length of one side, s, of the square.
A. 4s = 76; s = 19
B. s2 = 76; s = 38
C. 
= 76; s = 19
D. 4s = 76; s = 361
Mathematics
Multiply.(
+ 3)(
- 3)
A. 6 - 2
B. 3
C. -3
D. 15
Mathematics