Answer:
9
Step-by-step explanation:
This is really up to you. Also you Didn’t provide the assignment so this is impossible to answer, I can put anything in there. Just think about what you did and answer the questions yourself.
Answer:
-2x^2+5x+12
Step-by-step explanation:
(4-x)(3+2x)
12-3x+8x-2x^2
12+5x-2x^2
-2x^2+5x+12
1: 64
2: 59
3: 49
A triangle should always add up to 180 degrees. So just add up the angles you have and subtract them from 180
