Afirst number plus twice a second number is 9. twice the first number plus the second totals 33. find the numbers.

If angle ywz = 17, what is angle wxy? ok so i'm confused on this because the triangles are congruent so that means they have the same measurement which would make wxy=17, but don't all triangles have total measures of 180 degress? ?me.

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

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?