A line passes through (2, 5) and (8, 10). Find the value of y if (12, y) lies on the line.

Can any one me with the answers to these questions asap?

: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?

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?