A sample of 81 items is taken from a population with a standard deviation of 45 kilograms. The sample mean is 112 kilograms. What weights are included in the 68% confidence interval?

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.

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

The volume of a cube is 8 in to the 3rd power. how long is each side?