What is the relationship between the lengths of QS and RS? a QS > RS

b QS = RS

c QS < RS

d cannot tell

The sum of two numbers is 86, and their difference is 20. find the two numbers

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

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.°