Help please if you can

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

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

At the county fair, the baxter family bought 6 hot dogs and 4 juice drinks for $12.90. the farley family bought 3 hot dogs and 4 juice drinks for $8.55. find the price of a hot dog and the price of a juice drink.