7 1/2 + 6 3/4 + n = 15 3/8

A researcher wants to know if the average time in jail for robbery has increased from what it was when the average sentence was 7 years. he obtains data on 400 more-recent robberies and finds an average time served of 7.5 years.

Describe any pattern you see in this sequence of ordered pairs: (1,1800), (2,900), (3,300), (4,100)

A coin is tossed and an eight sided die is rolled. What is the probability that the coin lands on tails, and the die lands on a 2?

13. John Davis makes $9.75 an hour. He works four hours on Monday, six hours on Tuesday, five hours on Wednesday, five hours on Thursday, and seven hours on Friday. What is his gross pay?

How to Describe how you would use a yard stick to measure a rug?

A forty-foot rope was cut into two pieces. The length of one piece is 9 times the length of the other. What is the length of the longer piece?

9 11/27 into a decimal? explain work

Is it impossible unlikely as likely as not likely or certain of there are 10 shirts in a drawer 8 of the shirts have short sleeve T-shirts have long sleeves estimated probability that you get a short-sleeved shirt if you going out without looking

Was it hard to find out?

What is the length of the missing side? 6 ft 7 ft