Need help with this one :D

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

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

Laura read 1/8 of a comic book in 2 days. she reads the same number of pages every day. what part of the book does she read in a week