How many integers in the set of all integers from 1 to 200, inclusive, are not the cube of an integer?

Bring the fraction a/a-4 to a denominator of 16-a^2

What is the factor form of x^2-9x+14

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?