Find the mean absolute deviation (MAD) of the data in the dot plot below.\
100 points!

The transitive property of equality states that: o if a = b, then bra o if a = b, then ac = bc o if a = b and b= c, then a = if a = b and c= c, then a + b = b + c

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

How many $20 bills do you need to have to make $280