Choose all that correctly computes the unknown angle. ∠w = 31° ∠x = 149° ∠y = 31° ∠z = 90°

Which graph corresponds to the function f(x) = x2 + 4x – 1?

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?