The system of equations is graphed on the coordinate plane.
y = x - 1
y = -2x - 4
what are the coordinates?

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2