Abag contains 10 green marbles and 4 yellow marbles. if two marbles are chosen at random, one at a time and without replacement, what is the probability of getting two green marbles?

Which recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous year? f(n+1)=f(n)+5

Ihave trouble finding the nth term of a linear sequence

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?