I need help with numbers 20-24.

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

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.