A salesman makes $13.00 per hour, plus 10% commission on all sales that he makes. One week, he worked 40 hours and sold $1,250.00 worth of merchandise. How much money did he earn? a. $645.00
b. $560.00
c. $616.00
d. $1,810.00

Can someone check my answer? you : )

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.

To finance her community college education, sarah takes out a loan for $2900. after a year sarah decides to pay off the interest, which is 4% of $2900. how much will she pay