Which kind of proof requires you to prove that all but one of a set of possible alternatives are false?

Sally can paint a room in 5 hours while it takes Steve 3 hours. How long would it take them to paint if they worked together

What is the mean of the data set? 66, 71, 75, 83, 88, 89, 90, 91 Express your answer to three decimal places. Enter your answer in the box.

Rond to the nearest tenth, for what height will both Claire and Richard same amount for a painting? Explain how to find the answer.

there are two numbers which add up to be 29. If one number is one more than the other find the two numbers

The perimeter of a triangle is 28 feet. One side of the triangle is 5 feet longer than the second side. The third side is 8 feet longer than the second side. Find the length of each side.

Allison earns 14$ an hour plus 20$ an hour for every hour of overtime. Overtime hours are any hours more than 35 hours for the week. Create an equation that shows the amount of money earned, E, for working x hours in a week when there is no overtime.

Name four angles between 0 and 360 degrees with a reference angle of 20 degrees Show work

A _ ratio that compares two quantities with different kinds of units

Which expressions is equivalent to j (j) (j) (j) (j) (j) (j) (j) (j) (j) (j) (j) (j)

If Julie needs 3 and 1/4 cups of oatmeal how many 1/4 cups of oatmeal will she use