Lol please help me i really don’t get this

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Pam buys a sleeve of ball bearings for her skateboard. each of the bearings is 1 1/5 inches wide. the sleeve is 9 3/5 inches long. how many ball bearings are in the sleeve? show your work.

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation