Which shows one way to determine the factors of x3 + 11x2 – 3x – 33 by grouping?
a. x2(x + 11) + 3(x – 11)
b. x2(x – 11) – 3(x – 11)
c. x2(x + 11) + 3(x + 11)
d. x2(x + 11) – 3(x + 11)

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.°