jennie spent 1/3 of her allowance on a new book and 2/5 of her allowance on some pencil s. How much of her allowance did she spend.

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

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?