There are 14 different pizza toppings and arturo must rank his top 5 in order. how many different possible rankings are there

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

Each morning papa notes the birds feeding on his bird feeder. so far this month he has see. 59 blue jays, 68 black crows, 12 red robin's and 1 cardinal. what is the probability of a blue jay being the next bird papa sees

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?