Yeah can someone help me on this. I don't know what to add to prove it?

Which graph represents the solution of the inequality?

How many days was the temperature above 90 degrees?

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?