Which system of equations has no solution?

What is the perimeter, p, of a rectangle that has a length of x + 8 and a width of y − 1? p = 2x + 2y + 18 p = 2x + 2y + 14 p = x + y − 9 p = x + y + 7

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

Why did the ice arena get so hot after the big game (this is math related google it to find the paper