Use function notation to write a recursive formula to represent the sequence: 3, 6, 9, …
a. f(n) = f(n − 1) + 3
b. f(n) = f(n − 1) + 2
c. f(n) = f(n − 1) ⋅ 3
d. f(n) = f(n − 1) ⋅ 2

The jones farm has 24 cows that each produce 52 quarts of milk a day. how many quarts are produced each day altogether

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.