Craig earns extra money as a lifeguard. s he earns $37 for 4 hours and $64.75 for 7 hours identify the constant or proportionally

Astudent simplified a rational expression as shown.

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.

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?