Paul has a paperweight shaped like the square pyramid shown. what is the total surface area of paul's paperweight in square centimeters

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours

Combine like terms to make a simpler expression 3z+z

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.