Find the factors and zeros of 6x2 + 8x - 28 = 2x2 + 4?
a) 2(x + 4)(x + 2); {-4, -2}
b) 4(x + 4)(x - 2); {-4, 2}
c) 4(x - 4)(x + 2); {4, -2}
d) 4(x - 4)(x - 2); {4, 2}

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.°