Solve the problem.A contractor mixes concrete from bags of pre-mix for small jobs. How many bags with 6% cement should he mix with 5 bags of 18% cement to produce a mix containing 12% cement?
A. 7 bags
B. 5 bags
C. 15 bags
D. 10 bags
Answer: B
Mathematics
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Convert the units.9.84 m = 
cm
A. 98.4 cm B. 984 cm C. 0.984 cm D. 0.0984 cm
Mathematics
Find the area of the triangle. Approximate values to the nearest tenth when appropriate.Legs with lengths 9 ft and 9 ft
A. 
ft2
B. 162 ft2
C. 18 ft
D. 81 ft2
Mathematics
Find the integral.
A. 3e(3x - 9x2) + C
B. 3(1 - 6x)e(3x - 9x2) + C
C. 
(1 - 6x)e(3x - 9x2) + C
D. 
e(3x - 9x2) + C
Mathematics
Graph the inequality.xy ? 2 
A. 
B. 
C. 
D. 
Mathematics