Use the data in the table to express the value of the nth term of the arithmetic sequence as a function of n. Then use that formula to find the twelfth term of the
sequence.

A) f(n) = 1 + 6(n - 1); 67
B) f(n) = 6 + 7(n - 1); 83
C) f(n) = 6 + (n - 1); 17
D) f(n) = 6 + 6(n - 1); 72

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd