the sum of two nubers is 20. the difference between three times the first number and twice the sencond is 40. find the two numbers.

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

The graph below shows the line of best fit for data collected on the number of cell phones in cell phone cases sold at the local electronic store on four different days