Answers for work from the Keystone School. I have multiple items I need answered. Even if you only have answers to a few, I would appreciate it.

Will give brainliest! aubrey was offered a job that paid a salary of $45,000 in its first year. the salary was set to increase by 2% per year every year. if aubrey worked at the job for 20 years, what was the total amount of money earned over the 20 years, to the nearest whole number?

7x+8y=-18, 4x-9y=-3 solve the system of equations

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28