What is the difference between the absolute value of 4 and the absolute value of –3?
a) 1
b) 4
c) 7
d) 8
im

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.

What is the least common multiple for 6 and 8? what is the least common multiple for 4 and 12 ? what is the least common multiple for 11 and 12? what is the least common multiple for 3 and 6?

How can you check that you have correctly converted frequencies to relative frequencies?