Expand.(1 - )4 - (1 + )4

A. -56
B. -48
C. -11
D. -111


Answer: B

Mathematics

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Write the first four terms of the geometric sequence.a = -4, r > 0, a4 = -108

A. -12, -36, -108, -324 B. -4, 12, -36, 108 C. -4, -12, -36, -108 D. 4, -12, 36, -108

Mathematics

Solve the problem.A drug company is running trials on a new test for anabolic steroids. The company uses the test on 400 athletes know to be suing steroids and 200 athletes known not to be using steroids. Of those using steroids, the new test is positive for 390 and negative for 10. Of those not using steroids, the test is positive for 10 and negative for 190. What is the estimated probability of a  false negative  result (the probability that an athlete using steroids will test negative)?

A. 0.05 B. 0.975 C. 0.025 D. 0.95

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Give the degree of the term.4g5c6

A. 11 B. 15 C. 4 D. 6

Mathematics

Perform the indicated operations. Write the resulting polynomial in standard form.(6x2 + 4x + 7) + (2x2 + 8x + 4) - (5x + 2)

A. 6x2 + 7x + 9 B. 6x2 + 7x + 13 C. 8x2 + 7x + 9 D. 8x2 + 7x + 13

Mathematics