AWARDING THE MOST POINTS FOR BEST ANSWER! HELP ME ANSWER THIS FAST

The Johnson family buys furniture and appliances for a new house for $10,000.00 with a credit card that has a 15% APR.

The Johnsons make a $325.00 monthly payment. How many months will it take to pay off the balance? Enter your answer as a whole number, such as: 20.

With these 5 geometry questions! pls 1.)quadrilateral abcd is inscribed in this circle.what is the measure of ∠a ? enter your answer in the box.°2.)quadrilateral abcd is inscribed in a circle.what is the measure of angle a? enter your answer in the box.m∠a= 3.)quadrilateral abcd is inscribed in this circle.what is the measure of angle b? enter your answer in the box.m∠b= °4.)quadrilateral abcd is inscribed in this circle.what is the measure of angle a? enter your answer in the box.°5.) quadrilateral abcd is inscribed in this circle.what is the measure of angle c? enter your answer in the box.°