3. Jayla and kiara both have summer jobs in the sales department at a tech company. Jayla receives a weekly base pay of $1100 and 10% commission of her
sales. Kiara receives a weekly base pay of $1000 with 15% commission.
a) Create a system of linear equations to represent the situation represented in the
word problem.
b) How much in sales do they both have to sell to make the same weekly income?

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.