Answer:
Following are the calculated points to the given question:
Step-by-step explanation:
so,


so,

so,

so,


so,

Answer:
x=66
Step-by-step explanation:
Every triangle is equal to 180 degree angles so if you do 83+31, then that is equal to 114, which is when you do 180-114 and that would be 66. So your answer would be x=66
Answer:
9k/64^2 (9k^2/64^2)
Step-by-step explanation:
Answer: 2n-8
Explanation: 2(n-6)+4 you bring 2 into the parentheses so 2 x n is just 2n
then 2 x -6 = -12
New equation 2n-12 +4
Now you combine-12 and 4 which is -8
Finale equation: 2n-8