If i have 7 apples, put 4 aside and get 12 more eating 5 and throwing 7 away how many do i have? (Don't answer) IQ level: Over 9000

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.

The function show two sisters' savings account and the rate at which they plan to deposit money