Please help m In gym class, when picking teams at random, there is a 12/39 chance of choosing a boy. What is the probability of choosing a girl?

What are the possible rational zeros of [tex]f(x) = x^4+2x^3-3x^2-4x+18[/tex]

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

∆red ≅ ∆ by rule will give brainiest if possible