Simplify this expression
4(c - 3)

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3

Find the midpoint m of z1=(8+5i) and z2=(12+3i)