At the airport, d airplanes flew away, and b were still there. How many more airplanes stayed at the airport than flew away?

400:500 in simplest form

The sine function is an odd function

Explain why 2 + √ 3 is an irrational number.

A triangle has a perimeter of 160cm. Side A is 5cm shorter than twice side B, and side C is 5cm longer than side B. Find the length of each side.

Farmer Brown feeds 12.1 kilograms of alfalfa to each of his 2 horses daily. How many kilograms of alfalfa will all his horses have eaten after 21 days? Draw an area model to solve

A rectangular page is to contain 24 square inches of print. The margin at the top and at the bottom of the page are 1.5 inches, and the margins on the left and on the right are 1 inch wide.

Tasha finished the first draft of her history essay. The teacher said it had to be at least six hundred words long. She counted in her draft and found she had 369. How many more words does she need to meet the minimum words count for the assignment?

For a given input value u, the function h outputs a value v to satisfy the following equation. 4u+8v=-3u+2v Write a formula for h (u) in terms of u.

The mean temperature for the first 7 days in January was 3c the temperature the 8 day was 5c what is the mean temperaturefot first 8 days in January?

Lee fifth grade class has 1.4 times as many students as Fred's. If there are a total of 60 students. How many students does Fred's class have? How many students does Lee's class have?