12. the sum of three consecutive integers is 12 more than twice the largest integer. which of the following
equations could be used to find the three integers?

(1) n+n+1+n+2 = 2n +2+12
(2) n+n+2+n+4 = 2(n + 4)+12
(3) n+n+1+n+3 = 2n +3+12
(4) n+n+1+n+2 = 2(n + 2) +12

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.°