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Perform the indicated operation. 8/a - 6/a + 7/a

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.

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4