Simplify.-(7a + 7b - 4c)
A. -7a + 7b + 4c
B. -7a - 7b + 4c
C. -7a + 7b - 4c
D. 7a + 7b - 4c
Answer: B
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Use the theoretical probability formula to solve the problem. Express the probability as a fraction reduced to lowest terms.A single die is rolled twice. The set of 36 equally likely outcomes is {(1, 1), (1, 2), (1, 3), (1, 4), (1, 5), (1, 6), (2, 1), (2, 2), (2, 3), (2, 4), (2, 5), (2, 6), (3, 1), (3, 2), (3, 3), (3, 4), (3, 5), (3, 6), (4, 1), (4, 2), (4, 3), (4, 4), (4, 5), (4, 6), (5, 1), 
(5, 3), (5, 4), (5, 5), (5, 6), (6, 1), (6, 2), (6, 3), (6, 4), (6, 5), (6, 6),}. Find the probability of getting two numbers whose sum is greater than 9.
A. 
B. 6
C. 
D. 
Evaluate using a calculator. Express answers to the nearest ten-thousnadth.ln 0.000523
A. 7.5559 B. 3.2815 C. -7.5559 D. -3.2815
Factor the trinomial completely.z2 - 3zw + 70w2
A. (z + 7w)(z - 10w) B. (z - 7w)(z + w) C. (z - 7w)(z + 10w) D. Prime
Find a and k and then evaluate the function. Round your answer to three decimal places when necessary.f(x) = 20 + a(4kx) with f(0) = 180 and f(2) = 30. Find f(1).
A. a = 40, k = -1, f(1) = 60 B. a = 160, k = 1, f(1) = 30 C. a = 160, k = -1, f(1) = 60 D. a = -160, k = 1, f(1) = 60