F is directly proportional to A. if F=72 when A=9 find F when A=7

In what organelle does photosynthesis take place?

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1

Find solution of the linear equation y = 2/3x + 1/3