Answer:
2x+39
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
The sum of the measures of the interior angles is given by:

n:sides of the polygon
And in a convex polygon the sum of the exterior angles sums 360°
Then

You just solve it and the answer is 12.
Answer:
20
23 is between 20 and 30, but it's closer to 20. So 23 is rounded down to 20.
Answer:
Step-by-step explanation:
so we are gonna have a percent decrease because it went from 188 to 42
decrease = (original number - new number) / (original number ) * 100
= (188 - 42) / (188) * 100
= (146 / 188) * 100
= 0.7766 * 100
= 77.66% decrease....not sure if u need ur answer rounded to the nearest percent or not....if so, its a 78% decrease
Answer:
A. 12 + 8x
B. x - 6 < 72
C. x - 5 = 2/3x
D. 2x : 14 or 2x/14
E. -9x + 3y - 3/2
Step-by-step explanation: