Two car-rental agencies are competing for business. mertz charges $35 a day and $0.15 per mile, and mavis charges $20 a day and $0.45 per mile. a. write an equation that represents the charges to rent a car at each agency.

(98 points) i need with 5 questions. answer definitions are welcomed, but not necessary.

Write two subtraction equations that are equivalent to 5 + 12 = 17.

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.