What spreads and becomes very annoying

Match each equation with the operation you can use to solve for the variable. 1 subtract 10 2 divide by 10 3add 18 4add 10 5 subtact 18 6multiply by 5. 7multiply by 10. a 5 = 10p b p + 10 = 18 c p + 18 = 5 d 5p = 10

The variable in a relation who’s value depends on the value of the independent variable is called what?

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)