Rectangle
If ABCD is a rectangle, and m_ADB = 55%, what is the value of X?

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart