What is the closed linear form for this sequence given a1 = 13 and an + 1 = an + 4?

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Solve 2x+y=3 x+y=5 in substitution method

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