1.

or if you mean (3x^3+5x^2+3x-7)+(8x-6x^2+6):

2.

Answer:
isosceles triangle
Step-by-step explanation:
You have steak Mac water or steak mac water, etc etc...
Looks like y = |x| because the slopes of the lines are both 1
You shift it to the right making it |x-2| and you shift it down making y = -2
combine to get <em>y = |x - 2| - 2</em>.
Answer:
14
Step-by-step explanation:
(9x + 10)° = 136°
9x + 10 = 136
9x = 126
x = 14