1. what is the missing term in the sequence shown below
What is 81
100
2. Mr. Chen rewards his students' good behavior by writing smiley faces on the board. When they have 30 smileys, they get a class party. The table below displays the number of smileys earned for each of the first five days of school. If the pattern continues, what would be the number of smileys earned by the class on day 10?
What is 19
200
4. Jin has collected several measurements and wants to record them in a double line graph. If she will plot the masses (in grams) along the vertical axis, which of the following scales would be most appropriate?
What is between 0 and 50 grams
300
3. Which of the following describes the relationship between x and y?