Whithout multiplying, tell which is greater: 4/5 x 45 or 2/3 x 45 explain.

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it.how many multiple-choice questions are on the test?

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?