An 4r - 6 = 2(n+3)
f
ed to
mery
A 4r = 2(n + 3) +6
B. r = 4(2n + 6) -6
2.
cr=2
D. r = 1 +

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

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.°

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top