She charge her customer a call out fee of£35, plus£30 per hour. time=2 hrs+12 minutes per light switch

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

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?