help !! will give brainliest and thanks You make skateboard ramps by cutting pieces from a board that is 12 1/2 long. How many ramps can you cut from the board? How much is leftover?

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Can someone me i’m confused. will give brainliest and a whole bunch of points

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1