Find the distance between the points (4, 0) and (–3, 4).

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

What is the value of the discriminant, b2 ? 4ac, for the quadratic equation 0 = x2 ? 4x + 5, and what does it mean about the number of real solutions the equation has?