A single letter from the word zookeeper is chosen. What is the probability of choosing k or an e? Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth

How would you know if two vectors are perpendicular?

Christine bought 124 inches of red ribbon. she wants to make bows for a party. each now requires 5 inches of ribbon. How many 5 - inch bows can she make with the ribbon she bought? A. 24 B. 25 C. 28 D. 620

6 (r+3) - 4=2r+10+4r how do you slove that

How do you convert fraction to percent

4, 12, 16, 48, 64, 192, next number in the series? i tried 4 x 3, + 4, x 3, + 4 but stopped working at 48.

Eli takes a typing test and types all 300 words in 1/10 of an hour. He takes the test a second time and types the words in one 12th of an hour. Was he faster slower on the second attempt.

Ethan and his brother each sold the same number of raffle tickets they began with 42 tickets and after the sale is over and we're left with eight tickets know how many tickets did each other cell

What is the the gradient of straight lines of Y=4-5x

The difference of a number and twenty-four is equal to forty-six

How to plug into the table the y-coordinate