Use an associative property to complete the statement. Do not simplify.7(4x) = 
A. 7(4 + x)
B. (7 ? 4)x
C. (7 ? 4) + x
D. (7 + 4)x
Answer: B
Mathematics
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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 are expected in the habitat after 15 months?
A. 450 butterflies B. 277 butterflies C. 561 butterflies D. 8400 butterflies
Mathematics
Simplify.-4x + 8x
A. -32x B. -12x C. 4x D. 4 + x
Mathematics
Find the general form of the equation of the the circle.Center at the point (-4, -3); containing the point (-3, 3)
A. x2 + y2 + 6x - 6y - 17 = 0 B. x2 + y2 + 6x + 8y - 17 = 0 C. x2 + y2 - 6x + 6y - 12 = 0 D. x2 + y2 + 8x + 6y - 12 = 0
Mathematics
Solve the equation.- 
x + 2x = 
x + 
A. {9}
B. 
C. 
D. {0}
Mathematics