AP CAL AB, HELP !!!.A conical water tank with vertex down has a radius of 15 feet at the top and is 24 feet high. If water flows into the tank at a rate of 10 ft3/min, how fast is the depth of the water increases when the water is 13 feet deep? The depth of the water is increasing at equation editorEquation Editor___ ft/min.

Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?