If a = -3n + 2, and b = 5n - 7, what is the value of a + b, in simplest form? a. 2n + 9 b. -8n - 5 c. -3n d. 2n - 5

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

Identify which functions are linear or non-linear. a. f(x) = x2 + 1 b. f(x) = 2x + 5 c. f(x) = x 2 + 3 d. f(x) = 3 x + 7 e. f(x) = 4x + 10 2 - 5

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?