Find the measure of angle1, where c is the center

There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.