An automobile license plate consists of 4 letters followed by 3 digits. How many different plates can be made if repetitions are allowed in the letters and the digits must be odd (although repeats in the digits are allowed)? ​

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?