A set of stairs is being built as shown. What is the height of the stair?

3 triangles form stairs. Each triangle has a side length of 9 inches and hypotenuse of 15 inches.

The stair is

inches high.

Dana buys and sells superhero themed shirts, jeans and designer dresses. She bought two shirts for $5.00 each and later sold them for $9.00 each. She bought three pairs of jeans for $9.00 each and later sold them for $17.00 each.

Cafe A offers 2 free bottled waters or juices for every 20 purchased. What is cafe A ratio of free drinks to purchases drink?

Solve the equation. 4+-1 = 83

Identify the vertex for the graph of y = 3x2 + 12x + 5. (2, 41) (2, 35) (-2, - 31) (-2, - 7)

F is between E G, EF=x-7, and EG=4x+3. Find FG

What is 10+9 let's see if u can guess it

What's the terms and coefficients of 7p-3r+6-5s

A rectangular swimming pool with a flat bottom is 20 feet by 12 feet. How long will it take to fill the swimming pool to 5 feet if water is being pumped into the pool at 30 cubic feet per minute?

The following figure is a trapezoid. The top base is 18 inches, and the bottom base is 22 inches. The height of the trapezoid is 8.5 inches. Find the area of the trapezoid. Explain or show how you got your answer.

One hundred sixty eight square feet of carpet has been ordered for a 12 foot wide room. How long should the room be?