Kevin and Mary walk around a track. Kevin walks each lap in 5 minutes. Mary walks each lap in 3 minutes. The two of them begin at the starting line at the same time. They walk until they meet again at the starting line. How much does it take for them to meet again at starting line?

How many laps does Kevin complete?

how many laps does Mary complete?​

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.°