A parabola can be drawn given a focus of ( − 8 , 1 ) and a directrix of y = − 1 What can be said about the parabola?

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?