Awater tank is holding 48 gallons of water . it is leaking at a rate of 4 gallons per hour . how long until the tank is empty ?

Select a graph that have an equation with a < 0

Find the area of the regular hexagon if a side is 20 cm.

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so