Joanna wants to buy a car. her parents loan her 5,000 for 5 years at 5% simple interest. how much will joanna pay in imterest?

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?

Avegetable garden and a surrounding path are shaped like a square together are 12 ft wide. the path is 1 feet wide. if one bag of gravel covers 8 square feet, how manu bags are needed to cover the path? round your answers to the nearest tenth.

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.