Solve the problem.A woman works out by running and swimming. When she runs, she burns 7 calories per minute. When she swims, she burns 10 calories per minute. She wants to burn at least 490 calories in her workout. Graph an inequality that describes the situation. Let x represent the number of minutes running and y the number of minutes swimming. Because x and y must be positive, limit the graph to quadrant I only.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve and check your answer.
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= 
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B. 
C. - 
D. - 
Mathematics
Write the decimal number that has the specified place values.5 tens, 3 hundredths, 3 ones, 6 ten-thousandths, 1 thousandth, 6 tenths
A. 53.06316 B. 1,053.636 C. 53.6316 D. 63.5316
Mathematics
Use the graph to find the average rate of change.
Number of Years of Use
A. -$5000.00 per yr B. $5000.00 per yr C. $6000.00 per yr D. -$6000.00 per yr
Mathematics
Solve using any appropriate method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.9x - 8y = 95x + 5y = 90
A. (-3, -1) B. (9, 9) C. (-9, 9) D. No solution
Mathematics