I need an explanation

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°?

Interest begins accruing the date of the transaction except for auto loans mortgages credit card cash advances credit card purchases

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c