Solve.David recently switched to a long distance phone company which charges a monthly fee of $6.25 plus $0.05 per minute. A linear function that expresses the monthly bill B as a function of minutes used m is 
Graph the linear function. Use a domain of 0 ? m ? 300.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the area of the region.Round to the nearest square foot.
A. 24,190 ft2 B. 2613 ft2 C. 7731 ft2 D. 16,276 ft2
Mathematics
Graph the function.f(x) = ex
A. 
B. 
C. 
D. 
Mathematics
Write the percent as a decimal.90%
A. 90.0 B. 0.09 C. 0.9 D. 9
Mathematics
Write the augmented matrix for the system. 5x + 5z = 15 4y + 7z = 27 7x + 3y + 7z = 36
A. 
B. 
C. 
D. 
Mathematics