There are 19% 5th graders 19% first graders 26% 4th graders 22% third graders and 14% second graders if there are 205 students in the school how many 5th graders are there?

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?