There are 13 balls in a bag: 4 of them are black, 6 are white and 3 are red. In how many ways can you take out a set of 5 balls from the bag, so that the set
contains at least one ball of each color?

answer: x=3 and y=4

step-by-step explanation:

answer4 to the second power is 16

and 4 to the third power is 64,

x=0

step-by-step explanation:

irrational, then, just means all the numbers that aren't rational. every integer is a rational number, since each integer n can be written in the form n/1. however, numbers like 1/2, 45454737/2424242, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers.

step-by-step explanation: