Solve: 4(x + 2) = 32
A. 7.5
B. 15
C. 6
D. 10
Answer: C
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Factor.64x2 - 48x + 9
A. (8x - 3)2 B. (8x - 3)(8x + 3) C. (64x + 1)(x + 9) D. (8x + 3)2
Find the formula for df-1/dx.f(x) = (8 - x)3
A. x2/3
B. -3(8 - x)2
C. - 
D. 8 - x1/3
A farmer wishes to work out the average milk yield in his herd that consists of an equal number of Ayrshire, Friesian, Galloway, and Jersey cows.Suppose the farmer samples the 12 cows in his barn that are closest to where he enters the barn. What type of sampling is being used?
A. quota sampling B. stratified sampling C. convenience sampling D. simple random sampling E. capture-recapture
Find the modified quota asked for. Round your answer to two decimals.A school district receives a grant to purchase 55 new computers to be apportioned among the 6 schools in the district based on the student population of each school. The student populations are given in the following table. 
Find the modified quota for school B using the divisor 28.5.
A. 7.63 B. 7.52 C. 7.40 D. 7.55