Quadrilateral ABCD is inscribed in circle O as shown below Which of the following would be used to find the m∠3?

A 90°+m∠4

B 180°−m∠1

C 270°+m∠2

D 360°−(m∠1+m∠2)

How to do this , and can some one explain

Astore ordered 750 candles a total wholesale cost of $7910.20. the soy candles cosy $12.17 each and thespecialty candles cost $9.58each. how many of each were bought?

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9