3.2(3b + 5)
On a quiz please help

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?

Solve this problem! extra ! 3025/5.5 = a/90.75