1/5 divided by 7 in its simplest form

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?

Which of the following are accepted without proof in a logical system? check all that apply.

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180