Find the distance between the two points:
A (20,19)
B (20,16)

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

What describes horizontal cross section of the right rectangle 6m 8m 5m

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?