Answer:A:30
Step-by-step explanation:
The number 30 occurs the most
Answer: Skew lines are two lines that do not intersect and are not parallel. A simple example of a pair of skew lines is the pair of lines through opposite edges of a regular tetrahedron.
Answer:
12
Step-by-step explanation:
6 are striped which is half of them, the other half must be 6 then
6+6=12
Answer: 15
Step-by-step explanation:
SOLUTION
From the question, we want to find the probability of selecting a slip of paper with the letter t on it, then selecting the letter r, with replacement.
This means the probability of selecting t and r.
That is

There are 12 letters (total outcomes). And there are 2r and 2t.
So probability becomes

Hence the answer is