Astudent is trying to solve the system of two equations given below:

equation p: y + z = 6
equation q: 3y + 4z = 1

which of the following is a possible step used in eliminating the y-term? (1 point)

(y + z = 6) • 4

(3y + 4z = 1) • 4

(y + z = 6) • –3

(3y + 4z = 1) • 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.°