If cos circle = 2/-5 and tan circle > 0, what is the value of sin circle

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?

27 is what percent of 108? 27 is % of 108

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5