Answer:
8.
Step-by-step explanation:
13).
This is an equilateral triangle.
We see that all 3 angles are equal, so all sides are equal also.
So 2x - 6 = 10
2x = 16
x = 8.
Answer: 30
Step-by-step explanation: square 24 and 18 (576 & 324) then add them together (900), then the square root of 900 is 30, so 30.
The decimal 68.145 written as a fraction is 68145/1000
Answer: Option 2
Step-by-step explanation:

Answer: 1 and 1/4
Step-by-step explanation: