Aset of equations is given below:
equation a: e = 4f + 1
equation b: e = 3f + 5
which of the following is a step that can be used to find the solution to the set of equations?
4f + 1= 3f
4f = 3f + 5
4f + 5 = 3f + 1
4f + 1 = 3f + 5

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.°