At the city museum, child admission is $5.60 and adult admission is $9.30. On wednesday, 140 tickets were sold for a total sales of $994.90. How many adult tickets were sold that day?

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.

Given the numbers 6, 8, 10, and 20, what number when added would make the average of all five numbers 12? 1. (4) 2. (10) 3. (16) 4. (22) 5. (28)