What is the result of adding these two equations? 4 x − 4 y = − 2 − 9 x − 4 y = − 3 4x−4y −9x−4y =−2 =−3

What can you determine about the solutions of this system

How to write four times a number, minus 6,is equal to theee times the number+8 as an equqtion

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.°