152,149,149 find the 30th term

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36

Could someone me with this question i’ve been stuck on it for 20 minutes