What is the common ratio for the geometric sequence? - 15,-9,-27/5,-81/25, ... Enter your answer in the box.

Find the vertex of this parabola: y=-x^2+2x-7

John eats a bowl of cereal for 3 of his 4 meals each day. He finishes two gallons of milk in eight days. How much milk does john use for one bowl of cereal?

Franklin jarred 4 liters of jam after 2 days. How many days does Franklin need to spend making jam if he wants to jar 20 liters of jam in all? Solve using unit rates. days

Bobby borrowed $500 at 12 percent simple annual interest. He paid back $680 to pay off the loan. How many years did it take Bobby to pay back the loan?

What is 6.83 as a mixed fraction

Henry and Margo both began traveling around the circular track. Henry is riding a bike, and Margo is walking. It takes Henry 9 minutes to make it all around, Margo takes 12 minutes. How much time will pass until they meet at the starting line?

Candy is selling at $6.00 per pound will be mixed with candy selling at $9.00 per pound. how many pounds of the more expensive candy are needed to produce a 15 pound mixture that sells for $7.00 per pound

The radius of a circle is one yard. what is the diameter?

Simplify (6y + 10z) - (13y - 5z + 4)

Write an equation of the line with a slope of 3 and a y-intercept of 4.5