Factor out the largest possible common factor.80x + 20
A. 5(16x + 4)
B. 4(20x + 5)
C. 20(4x)
D. 20(4x + 1)
Answer: D
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Determine if A ? B or A ? B.A = {4, 6, 8}B = {3, 4, 5, 6, 8}
A. A ? B B. A ? B
Solve the problem.The Family Fine Arts Center charges $22 per adult and $13 per senior citizen for its performances. On a recent weekend evening when 534 people paid admission, the total receipts were $8472. How many who paid were senior citizens?
A. 260 senior citizens B. 170 senior citizens C. 364 senior citizens D. 274 senior citizens
Find a and k and then evaluate the function. Round your answer to three decimal places when necessary.f(x) = 
with f(0) = 1 and f(1) = 0.5. Find f(2).
A. a = -2, k = ln(1.75), f(2) = 0.377 B. a = 2, k = ln(2.25), f(2) = 0.235 C. a = 2, k = ln(1.75), f(2) = 0.377 D. a = -2, k = ln(2.25), f(2) = 0.141
Find the sum.Find the sum of the first 70 terms of the arithmetic sequence: 2, 4, 6, 8, . . .
A. 4895 B. 4974 C. 4899 D. 4970