3. (7.4D) If the original quantity is 20 and the new
quantity is 25, what is the percent change

What should be done to solve the equation? x+14=21 add 14 to both sides of the equation. subtract 14 from the left side of the equation. add 14 to the left side and subtract 14 from the right side of the equation. subtract 14 from both sides of the equation.

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base