Is x+2 a factor of 3x^4+7x^3+3x^2-x-4?

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

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

Can someone me out here number 4 plz