THE sum of the primeters of a rectangle and a square is 138cm. the width of the rectangle and the length of the square both equal 16cm. find the perimeter and the area of the rectangle. pls answer correctly as you can thanks

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?