A 40.5 litre fish tank is 4/5 full. how many more litres will it take to fill the tank

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.

Jose is going to use a random number generator 500500 times. each time he uses it, he will get a 1, 2, 3,1,2,3, or 44.

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height