The system of equations graphed below has how many solutions?
a) 1
b) 2
c) 0
d) infinitely many

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

For what type of equity loan are you lent a lump sum, which is to be paid within a certain period of time? a. a line of credit b. equity c. a second mortgage d. an amortization

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min