7/3x +y to the 2nd power (if w=1 x=6 y=3) show work

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

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.

Why do interests rates on loans to be lower in a weak economy than in a strong one