What is the factored form of 2x2 + 9x + 10?

A. (−2x − 5)(−x + 2)

B. (2x + 10)(x + 1)

C. (2x − 5)(x − 2)

D. (2x + 5)(x + 2)

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.

Express -5 2/5 as an improper fraction.

The circle below is centered at the point (3, 1) and has a radius of length 2. what is the equation?