Translate the sentence into an equation, then solve.A number x decreased by 7.4 is 14.
A. 7.4 - x = 14, x = 21.4
B. 7.4 - x = 14, x = 6.6
C. x - 7.4 = 14, x = 21.4
D. x - 7.4 = 14, x = 6.6
Answer: C
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A. 
B. 
C. 
D. 
Solve the problem.Let n(B) = 60, n(A ? B) = 11, and n(A ? B) = 105. Find n(A).
A. 56 B. 58 C. 54 D. 45
Identify the group of terms as like or unlike.3b, 8, 8a
A. Like B. Unlike
Write the first five terms of the sequence. Determine whether the sequence is arithmetic. If so, find the common difference. (Assume that n begins with 1.) ? an = 6 + 4n ?
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