Solve the problem.In a sale, the price of a computer is reduced by $247. The sale price is $1433. Find the marked price (original price) and the rate of discount. Round the discount rate to the nearest tenth of a percent if necessary.
A. $1186; 20.8%
B. $1186; 17.2%
C. $1680; 17.2%
D. $1680; 14.7%
Answer: D
Mathematics
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A. sin-1
B. 3 sin-1
C. 
tan-1
D. 
tan-1
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Use order of operations to simplify the expression.[-20.5 + (16.1 - 3.5)] - 2.5
A. -37.6 B. -10.4 C. -5.4 D. 30.6
Mathematics
Solve the problem.Use the graph of data items to find the following:a. mean (Round to the nearest tenth, if necessary.)b. medianc. moded. range 
A. a. 30 b. 30 c. 40 d. 20 B. a. 30.9 b. 30 c. 30 d. 20 C. a. 30.9 b. 30 c. 40 d. 20 D. a. 30.9 b. 30 c. 30 d. 40
Mathematics
Solve the problem.Find the average rate of change.
Number of Hours Spent Traveling
A. 0.3 mph B. 3.0 mph C. 0.2 mph D. 5.0 mph
Mathematics