James said the greatest common factor of the following expression:

20x^3y^5 - 10xy^3 + 30x^2y^2 is the term 5x^2y

I can’t seem to find his mistake?

What is the compound interest in a three-year, $100,000 loan at a 10 percent annual interest rate a) 10.00 b) 21.00 c) 33.10 d) 46.41

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.