What is the length of the hypotenuse of the triangle below

Solve: 3x+y=6 4x-2y=18 show all work !

Question 13 (1 point) jerome is starting a new job. his contract states he will earn $42,000 the first year, and will get a 4% raise per year. which function s(x) represents jerome's salary after a certain number of years, x?

Factor the polynomial. b^2 + 4b + 4