A^3-a+b^3-b
Factorise​

Given right triangle xyz, which correctly describes the locations of the sides in relation to

Nine more than four times a number is the same as one less than twice the number. find the number?

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?