PLEASE ANSWER I HAVE UNTIL 3:55 to turn in 3/10/21

A circle has a radius of 9 cm.
When written in terms of pi, how many times greater is the area than the circumference?
A
The area is the same as the circumference.
B

The area is double the circumference.
С
The area is 4.5 times greater than the circumference.
D
The area is 9 times greater than the circumference

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52

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.°

Express -5 2/5 as an improper fraction.