and 15 points solve for z -cz + 6z = tz + 83

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?

Can someone me with the property questions for 12 13 and 14 plz

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)