If 1/x-y= 3/5y, which of the following proportions is equivalent? a) x/y= 3/8
b) x/y=8/3
c)x/y=8/15
d) x/y=15/8

Which is the completely factored from of xy^3-x^3y

Which expression is equivalent to sq-80

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?