3. Han's calculation of 972 = 9 is shown here. a. Find 180 - 9.
1 80
9 9 7
- 9
7 2
72

b. Use your calculation of 180 . 9 to explain how you know Han
has made a mistake.
c. Identify and correct Han's mistake.



There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]