Is -94 higher or -5 answer this is for homework sksksksksk and i oop

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.

How do you write 600 as a product of its prime factors (index! )

If bradley saves for 4 weeks, what is the total amount of money he will have saved?