Write y=4x^2+8x-1 in vertex form

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

What is the solution to the system of equation graphed belowa.(0,-4)b.(2,5),1),-3)

Akid's pool is cylindrical and has a radius of 5 feet and a height of 2 feet. if a cubic foot holds about 7.48 gallons of water, how many gallons of water does the kid's pool hold? 21 gallons 52.3 gallons 1,174,4 gallons 157 gallons