One line passes through the points (-3,-1) and (1,-9). another line passes through point (1,4) and (5,6). are the lines parallel, perpendicular, or neither

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.

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

If you are just building your payment history, how many points from a perfect score will you possibly miss?