Find nth term of -15,-18,-21

Answer this question! 30 points and brainliest! only if you know the answer.

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.