Solve the problem.The length of a rectangular storage room is 9 feet longer than its width. If the area of the room is 70 square feet, find its dimensions.
A. 4 ft by 13 ft
B. 6 ft by 15 ft
C. 5 ft by 14 ft
D. 4 ft by 15 ft
Answer: C
Mathematics
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Solve the problem.Find parametric equations for the normal line to the surface 
at the point 
A. 
B. 
C. 
D. 
Mathematics
Evaluate the logarithm.log (0.1)
A. -1 B. 0 C. -3 D. 3
Mathematics
Find tan? and cot?.
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Mathematics
Solve the problem.Anne and Nancy use a metal alloy that is 23.4% copper to make jewelry. How many ounces of a 18% alloy must be mixed with a 27% alloy to form 100 ounces of the desired alloy?
A. 60 ounces B. 65 ounces C. 42 ounces D. 40 ounces
Mathematics