Answer: 
Step-by-step explanation:
The measure of the third unknown arc is
.
So, 
4- 2/3 (4-1/6) divided by 3/4
parenthesis first
4 - 2/3 (3 5/6) divided by 3/4
change to an improper fraction (6*3+5)/6
4 - 2/3 ( 23/6)divided by 3/4
4 - 46/18 divide by3/4
copy dot flip
4 - 46/18 * 4/3
4 - 23/9 * 4/3
4 - 92/27
get a common denominator of 27
4*27/27 -92/27
108/27 - 92/27
16/27
You have a 1:2 chance of guessing the right answer, if you have to guess between the two.
Answer:
Step-by-step explanation:
(7y)² = 7²×y² = 49y²
Six million, seven thousand two hundred
