What is the value of b2 - 4ac for the following equation?
x 2 + 5x + 4 = 0

Can anyone me with 32,33,36,37,and 40.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32