Answer:
D
Step-by-step explanation:
The other ones don't make sense. The answer is 3.5x+x=9.90
69
A hexagon has 720 degrees in total. You add allthe numbers which is 513 degrees. Then you subtract them which is 207 degrees. Finally you divide 207 by 3 which is 69 :)
ñ!
To a power, elevated to something
A.) y = 0.4x^(2) + 3.4x + 4
x = -5
y = -3
