Janet bought 12 guavas and 16 apples. What is the ratio of guavas to apples?

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.

The formula to determine energy is e=1/2mv2? what is the formula solved for v?