On a class trip, Elise brings $30 to the Sea Life Center. She spends $18 on gifts and purchases
three corn dogs, and then she has spent all of her
money. Which equation can you use to find the
cost of a corn dog?

A. 3x=30+18
B. 3x+18=30
C. 30x=3+18

Which shows one way to determine the factors of  x3  +  5x2  –  6x  –  30 by grouping? x(x2  –  5)  +  6(x2  –  5)x(x2  +  5)  –  6(x2  +  5)x2(x  –  5)  +  6(x  –  5)x2(x  +  5)  –  6(x  +  5)

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

Solve for x, y, and z. show all steps.