Answer: to get a better picture.
Step-by-step explanation:
Check the picture below
make sure your calculator is in Degree mode.
Answer: Option 'c' is correct.
Step-by-step explanation:
Since we have given that
Number of students who are interested in being on the team = 9
Number of positions to fill on his basket ball team = 3
So, the combinations of the three positions he can choose for the team is given by

Hence, Option 'c' is correct.
I need the anwsers to help you
Answer:
Angle of the intercepted arc is equal to the angle at the centre (central angle) but B is not the centre hence XBY is not 144°.
Angle at the circumference (inscribed angle) is half of the central angle, but XBY is not the central angle, so it's not 2×72.
Hence not 144°