How many people have seen a chain letter if each person who receives the letter was asked to send it out to four other people, some people do this but others do not, no one receives more than one letter, and the chain ends after 100 people have read it but did not send it out

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

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.°