Find the sum of these polynomials.
(x2+x+9) + (7x2 + 5) =

Abag contains 3 blue and 2 green marbles. what is the probability of drawing a blue marble followed by a green marble, without replacing the first marble?

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?

James is playing his favorite game at the arcade. after playing the game 33 times, he has 88 tokens remaining. he initially had 2020 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays