Answer:
x = 144
Step-by-step explanation:
Angle sum of heptagon = 900
5x + 90 + 90 = 900
5x + 180 = 900
5x + 180 - 180= 900 - 180
5x = 720
Divide both sides by 5
x = 144
Set each answer up equal to the question, solve and see if the two numbers you end up with are equal, if not try the next answer!
The range is the difference between the highest and lowest numbers in the given set of numbers.
Highest number= 80
Lowest number= 28
Range
= 80 - 28
= 52
ANSWER: The range is 52.
Hope this helps! :)
Answer:
Tiger Algebra{(2a-b)^3+(a-2b)^3} - Free yet powerful Solver Simplifier that ... Step 2 : Pulling out like terms : 2.1 Pull out like factors : 9a3 - 18a2b + 18ab2 - 9b3 =Step-by-step
explanation: