Vivian is a salon owner. yesterday she did 2 haircuts and colored the hair of 4 clients, charging a total of $422. today, she did 5 haircuts and colored the hair of 4 clients, charging a total $573. how much does vivian charge for her services?

Landon wallin is an auto mechanic who wishes to start his own business. he will need $4400 to purchase tools and equipment. landon decides to finance the purchase with a 48-month fixed installment loan with an apr of 5.5%. a) determine landon's finance charge. b) determine landon's monthly payment.

Question and answers are in the attached picture. you so much in advance.

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.