Find expressions for each of the following. make sure to show your work!

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

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.