You have a bag of marbles with 7 red, 8 blue, and 10 green marbles in it. What is the probability of pulling two red marbles from the bag, without replacing any marbles?

If the equation of a line containing the midsegment of a triangle is y = -1/4x -11, what is the slope of the triangle side that is opposite the midsegment (the one not touching it). explain how you know.

Which of the following equations is the translation 2 units up of the graph of y = |x|

Keshawn needs to enclose a pen for her pigs. she only has 200 feet of fencing and wants to enclose the maximum area. she sets up the equation a = l(100-l) to find what the length of the pen should be. what does 100 - l represent? a) the width of the pen b) the length of the pen c) the area of the pen. d) the perimeter of the pen