Q2 - Calculations with bounds a and b have been rounded to 2 d. p.
a = 2.88
b = 8.61
Work out the smallest possible answer for:
a+b

a
-
b (3 d. p.)

Work out the biggest possible answer for:
b - a

axb. (3 d. p.)
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Standard deviation of 19,29,21,22,23

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Pleasseee important quick note: enter your answer and show all the steps that you use to solve this problem in the space provided. use the circle graph shown below to answer the question. a pie chart labeled favorite sports to watch is divided into three portions. football represents 42 percent, baseball represents 33 percent, and soccer represents 25 percent. if 210 people said football was their favorite sport to watch, how many people were surveyed?