Solve the problem. Be sure to make a diagram of the situation with all the given information labeled.
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An equilateral triangle (one with all sides the same length) has an altitude of 4.7 inches. Find the length of the sides. Round to the nearest tenth of inches.
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A. 6.9 in.
B. 6.4 in.
C. 9.9 in.
D. 3.7 in.
E. 5.4 in.
Answer: E
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Solve the problem.Find the best buy. Brand A: 28 oz for $14.28 Brand B: 24 oz for $11.28
A. Brand B B. Brand A C. Not enough information D. Equal value
Classify the real number as a natural number, whole number, integer, rational number and/or irrational number. The number may belong to more than one set.- 
A. rational number B. integer, rational number C. whole number, irrational number D. irrational number
Solve the problem. Round to the nearest hundredth of a percent.Mary was offered a discount if she pays her invoice in 120 days. One bank will loan her money at 12% simple interest. A second bank will give her a simple discount rate. What discount rate should she accept so she does not pay more than at the first bank?
A. 12.5% B. 11.65% C. 10.58% D. 11.54%
Simplify the expression.5(7x - 2) - 4(x - 3)
A. 31x - 5 B. 15x + 2 C. 31x - 22 D. 31x + 2