Erica gets a new credit card in the mail. Whats the probability that the last four digits are all 5s?

Through non-collinear points there is exactly one plane.

If there are 3.281 feet in 1 meter, how many inches are in one centimeter

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm