Pls answer as many as u can. pls help me.

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

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.