You have a standard deck of 52 cards. you pick one card from the deck and then, without putting the first card back, pick a second card. what is the probability that both cards will be 9's?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.

What is the sum of the first 8 terms of the geometric series