Two numbers that add up to 100

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.

Graph the equation. select integers for x

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?