There are two atoms of hydrogen and one atom of oxygen in one molecule of water . How many atoms of hydrogen are there in 51 molecules of water ?

Marya wants to factor the polynomial 36x^3 -22x^2 - 144x. which term can she add to the polynomial that would not change its grestest common factor? check all that apply

What is the range for 31,39,29,34,37,24,36,33,34,28

Ashley spent half of her lunch money on a turkey sandwich. then she spent two-thirds of the money she had left on a bottle of juice and the rest of the money on a cookie. if the cookie cost $.75, how much lunch money did ashley have to start with?