Answer:
Step-by-step explanation:
1)The total of the 16 Interior angles is (16-2)*180 = 2520 degrees
Each angle = 2520/16 = 157.5 degrees
2) the exterior angle equals 360/16 = 22.5 degrees
Hope this helps!
Answer:
Select all options of x greater than or equal to 12
Step-by-step explanation:
2x + 7 <= 3x - 5
7 + 5 <= 3x - 2x
12 <= x
x >= 12
68.75
Step-by-step explanation:
you have to divide 450 by 18 then times 25 by 2.75
Answer:
58
Step-by-step explanation:
the mean is adding up all the numbers, then dividing by the amount of the numbers.
add up all the numbers:
13 + 13 + 14 + 18 + 22 = 80
the mean is 23.
so you need to back track:
23 * 6 = 138
138 - 80 = 58
