Answer:
48
Step-by-step explanation:
240/5 = 48
Rule: For any quadrilateral, the four angles always add to 360 degrees
A+B+C+D = 360
A+95+100+90 = 360 ... plug in the given angles
A+285 = 360
A+285-285 = 360-285 ... subtract 285 from both sides
A = 75
Answer: choice C) 75 degrees
Answer:

Step-by-step explanation:











hope it helps...
have a great day!!
Answer: 9x - y = -1
y = 10