Abag of m& ms has 12 brown 8 blue and 10 red what is the ratio of red to brown?

Need this asap if anyone can i would be very grateful. if you could show workings that would really

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

Evaluate cos2θ for cosθ = square root of 3/2