Rationalize the denominator and simplify.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.A sports shop sold tennis rackets in 2 different weights, 3 types of string, and 3 grip sizes. How many different rackets could they sell?
A. 8 B. 12 C. 15 D. 18
Mathematics
Solve. Write the answer as a mixed number in simplest form.An attorney drove 20
miles from his home to a client's home and another 20
miles to get to his office. How far did he drive in total?
A. 39
mi
B. 41
mi
C. 20
mi
D. 40
mi
Mathematics
What is the degree of the expression?(4x2 + 5x + 9)8
A. 24 B. 10 C. 11 D. 16
Mathematics
Solve the equation.
+ 
= 
A. ?
B. {-3}
C. 
D. {-11}
Mathematics