The cost of tyre has increased by 20% to £78. work out the original price

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

Me asap! what is the slope of this line? enter your answer in the box.

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?