Solve the linear system of equations 4x + 3y = 11 and 2x - 5y = -1

Aswimming pool measures 22ft by 12ft and is 4ft deep. if the pool is being filled at 2.5 cubic ft per minute, how long will it take to fill the pool?

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1