Solve the equation show you work and check. your answer 4y+5=31

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?