Giving brainlist to whoever answers

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).