When p = 12, t = 2, and s = one-sixth, r = 18. if r varies directly with p and inversely with the product of s and t, what is the constant of variation?
a. one-eighth
b. one-half
c. four and one-half
d.18

1. what is the formula for finding the vertical distance between two points on a coordinate plane?

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).