Pls help I will give to first answer

Write the expression 7x^3-28xy^2 as the product of 3 factors

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top