5 = x^2+x
What would x be?

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.