Estimate the answer by rounding as indicated.Estimate by first rounding to the nearest ten.599 ÷ 42
A. 27
B. 15
C. 16
D. 18
Answer: B
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Find the volume of the solid generated by revolving the region about the y-axis.The region enclosed by x = 2tan 
, x = 0, y = - 
A. 28? - 7?2
B. 28 - 7?
C. 7? + 7?2
D. 14? - 
?2
Factor out the greatest common factor.80x6y8 - 16x2y5 + 56x4y3
A. 8x2y3(10x4y5 - 2y2 + 7x2) B. 8(10x6y8 - 2x2y5 + 7x4y3) C. no common factor (except 1) D. 8x2(10x4y8 - 2y5 + 7x2y3)
Solve the problem.The logistic growth function f(t) = 
describes the population of a species of butterflies 
after they are introduced to a non-threatening habitat. How many butterflies were initially introduced to the habitat?
A. 4 butterflies B. 90 butterflies C. 480 butterflies D. 2 butterflies
Solve the equation and check your solution.-18.4 = -2.3x
A. x = 2 B. x = 8 C. x = -16.1 D. x = 16.1