Factorise x²+5x−6 the options are (x+2)(x+3)

(x−1)(x+6)

(x+1)(x−6)

(x−2)(x+3)

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

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?