What inequality would represents all possible values for x when x + 15 ≤ 40 ?

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.

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?