Multiply.(2y + 11)(3y2 - 2y - 8)
A. 6y3 - 4y2 - 16y + 11
B. 39y2 - 26y - 104
C. 6y3 + 37y2 + 38y + 88
D. 6y3 + 29y2 - 38y - 88
Answer: D
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Simplify. Be sure to rationalize the denominator. Assume that all variables represent positive real numbers.
A. 10 + 60
B. 10 - 6
C. 10 - 60
D.
Solve the problem.From year 1 to year 2 during a scientific survey, the number of a certain species of frog increased by 8352, bringing the worldwide total to 93,003. How many frogs of that species were there in year 1 of the survey?
A. 92,003 frogs B. 84,651 frogs C. 93,203 frogs D. 168,171 frogs
Solve the problem.A pendulum is released and swings until it stops. If it passes through an arc of 25 inches the first pass, and if on each successive pass it travels the distance of the preceding pass, how far will it travel before stopping?
A. 37.5 in. B. 62.5 in. C. 87.5 in. D. 100 in.
Let and
. Find
(a) 20 + i (b) 20 - 20i (c) 20 (d) 0 - 20i (e) none