In two or more complete sentences, describe how you could model the following sum on a number line. in your answer, make sure to include the result of adding these two numbers together. -3.5 + 4.2

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?