The length of a rectangle is 3 centimeters more than its width. What is its width if its perimeter is 120 centimeters?

Abbey purchased a house using a fixed rate mortgage. the annual interest rate is 4.2% compounded monthly for 20 years. the mortgage amount is $235,000. what is the monthly payment on the mortgage? this isn't a multiple choice question have to show my work

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10