Solve the problem.A contractor mixes concrete from bags of pre-mix for small jobs. How many bags with 3% cement should he mix with 3 bags of 22% cement to produce a mix containing 6% cement?
A. 24 bags
B. 19 bags
C. 18 bags
D. 16 bags
Answer: D
Mathematics
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Solve the problem.Jerry caught a fish that weighed 12
pounds. Pat caught a fish that weighed 
pounds. How much more did Jerry's fish weigh than Pat's fish?
A. 16
lb
B. 7
lb
C. 7
lb
D. 15
lb
Mathematics
Replace the question mark by < or > to make a true statement.
? 
A. > B. <
Mathematics
Solve the problem. Use 3.14 for ?. Round to the nearest tenth.The width of a piece of paper is 8.5 in., the length is 11 in., and the thickness is 0.0038 inches. There are 2600 sheets sitting in a cabinet by the copy machine. What is the volume occupied by the paper.
A. 1482.0 in3 B. 9.2 in3 C. 192.7 in3 D. 923.8 in3
Mathematics
Perform the matrix operation.Given A = 
and I = 
, find IA.
A. 
B. 
C. 
D. 
Mathematics