Which ordered pair is the solution to the system of equations below using the elimination method?
x+2y=10
-x-9y=4

is it:
a. (12,4)
b. (13,-5)
c. (14, -2)
d. (15,-4)

Someone answer this asap for the first five terms of a sequence are shown. 5, 11, 23, 47, 95, . . which recursive function defines the nth term in the sequence for n > 1? a. f(n) = f(n - 1) + 6 b) f(n) = f(n - 1) + 48 c) f(n) = 3 • f(n - 1) + 1 d) f(n) = 3 • f(n - 1) - 4