PLEASE HELP 15 The value of 21 is between 4.5 and 4.6. Which of the following is a more precise approximation of 21?
A. between 4.57 and 4.58
B. between 4.6 and 4.61
C. between 4.59 and 4.6
D. between 4.58 and 4.59

The mean temperature for the first 4 days in january was 7°c. the mean temperature for the first 5 days in january was 5°c. what was the temperature on the 5th day?

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.