Write the point-slope form if the line passing through (2,-12) and parallel to y=3x y-12=-1/3(x+2) y+12=-1/3(x-2) y+12=3(x-2) y+12=-3(x-2)

Anyone know? will mark brainliest if you're correct!

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)