I’m pretty sure the second questions answer is y=3x+2
6x + 45 + 3x = 180
9x - 45 = 180
9x = 135
x = 15
Answer: D
Example: none there is no Example
Answer:
<h2>8(u + 3) = 8u + 24</h2>
Step-by-step explanation:

Answer:
Option 3: mean increases by 3
Step-by-step explanation:
Current mean:
[50+76+78+2(79)+80+81+2(82)+83] ÷ 10
= 77
Without the outliers:
[76+78+2(79)+80+81+2(82)+83] ÷ 9
= 80
80 - 77 = 3 (increase)