The line graph shows Gavin's investment account balance at the end of each month for 6 months. About how much more money did Gavin have in his account at the end of December than at the end of October?

Can someone me out here and the tell me the greatest common factor

Fa bus driver leaves her first stop by 7: 00 a. m., her route will take less than 37 minutes. if she leaves after 7: 00 a. m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?

What does the sign of the slope tell you about a line?