Icould use some doing this simple math problem lol.

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

The sum of two numbers is 12 and their difference is 18 what are the two numbers

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.