A trade delegation consists of four Americans, three Japanese and two Germans. Three people are chosen at random. Find the following probabilities: (a) P (two Americans and one Japanese)
(b) P (at least one American)
(c) P (one of each nationality)

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.

Find the x-intercepts of the parabola withvertex (1,1) and y-intercept (0,-3).write your answer in this form: (x1,if necessary, round to the nearest hundredth.

Indicate the formula for the following conditions: p^c(n,r)=