What is the solution set for 9x^2-25=0?

Divide. write in the simplest form. 4 1/6 divided by 10

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.

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol