Use the Distributive Property to remove the parentheses.4(r + k)
A. 4rk
B. 4r + 4k
C. 4r - 4k
D. 4r + k
Answer: B
Mathematics
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Rationalize the denominator and simplify. Assume all variables represent nonnegative real numbers.
A. 
B. 
C. 20
D. 3
Mathematics
The triangles are similar. Use them to find the length of side x.
A. x = 11 B. x = 10 C. x = 5 D. x = 15
Mathematics
Factor the difference of squares.49x2 - 16
A. (7x + 4)2 B. (7x - 4)2 C. (49x + 1)(x - 16) D. (7x + 4)(7x - 4)
Mathematics
Write the fraction.In a science class containing 77 students, there are 8 freshmen, 19 sophomores, 11 juniors, and the rest are seniors. What fraction of the class is seniors?
A. 
B. 
C. 
D. 
Mathematics