Why is it easy to calculate 5% of a number ? give an example

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 is he correct? explain why or why not?

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?

One x-intercept for a parabola is at the point (1,0). use the factor method to find x-intercept for the parabola defined by the equation y=-3x^2+5x+2