You and your friend have been walking for a total of 15 minutes on two different streets. You are walking 4 feet per minute and your friend is walking 6 feet per minute for a total of 72 feet. Write a system of linear equations to represent this situation.

What could explain what happened when the time was equal to 120 minutes

Factor the polynomial by its greatest common monomial factor.

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.°