Solve the problem.A contractor mixes concrete from bags of pre-mix for small jobs. How many bags with 8% cement should he mix with 24 bags of 12% cement to produce a mix containing 10% cement?
A. 36 bags
B. 24 bags
C. 12 bags
D. 48 bags
Answer: B
Mathematics
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Simplify.
A. x + 3
B. -3
C. - 
D. - 
Mathematics
Four accounting majors, two economics majors, and three marketing majors have interviewed for five different positions with a large company. Use the following information to find the number of different ways that five of these could be hired.There is no restriction on the college majors hired for the five positions.
A. 24 ways B. 15,120 ways C. 3024 ways D. 120 ways
Mathematics
Simplify. Assume that all variables are nonzero.
A. 1 B. Undefined C. 255 D. 0
Mathematics
Factor the expression. Express your answer so that only positive exponents occur. x-2/5 + x-4/5
A. x-4/5(x2/5) B. x-4/5(x2/5 + 1) C. x-4/5(x2/5 + x) D. x-4/5(x2/5 - 1)
Mathematics