3x^2 +y^2 = 9 for t(-1,3)

: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?

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints

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?