Solve each equation with the quadratic formula

8n^2-4n=18

Whats the theoretical probability of popping a polka dot balloon? express your answer as a fraction, decimal and percent solid 15 polka dot 5 striped 17 plzz me due tomorrow

Find the area of the surface obtained by rotating the curve z=4e^2y from y = 0 to y =1 about the y-axis. the area is square units

Which of the following is true about the following construction of a tangent to a circle from a point outside of the circle?