Percents, Decimals, and Fractions (2) PLSS I RLLY NEED HELP

Find the balance at the end of 4 years if 1000 is deposited at the rate of

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

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