Pleaseee help me this is kinda confusing to me.

How many days was the temperature above 90 degrees?

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

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?