Answer:
y=2
Step-by-step explanation:
7y-1=13
+1 +1
7y=14
/7 /7
y=2
If the letter z's are distinctly different, there are P(5,5) arrangements. That is
If the z's are interchangeable, the number of different arrangements is given by
Answer:
1/9
Step-by-step explanation:
There are 10 x 9 ways to choose two balls from the urn. Order does not matter, since Carlo must have the larger ball. So there are 10 choose 2 total ways to choose the balls. If Carlos has the 6, Eric can only have balls 1-5, so the answer is 5/45, or 1/9.