Answer:
yes ur right
Step-by-step explanation:
All quadrilateral angles have to add up to a total of 360°, so we just need to add the angles we already have and subtract that from 360.
135+90+80=305
360-305=55 so your answer is 55!
Answer:
14, 17
Step-by-step explanation:
Answer:
36.5%
Step-by-step explanation:
36.46 but rounded to the nearest 10th tehe
Answer:
-2(x^2+2)
Step-by-step explanation:
1. x^2-3x^2-4
= -2x^2-4
2. -2(x^2+2) factor completely :)