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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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
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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)
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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
Rationalize the denominator and simplify. Assume all variables represent nonnegative real numbers.
A. 
B. 
C. 20
D. 3
Mathematics