Simplify:
– (4 – 8)3 ÷ (3 – 9) +
−12 − 4(3)2 (2)
2
3
92 − 82 + (− 2)2
€
– [55 – 50(– 6 + 8)] – (7 – 42)2 ÷ (– 3)3
([ ]
–
1 3
2
+
5 2
•
12 3
)
–
1
4
Use the graph below to answer the following questions:
The High Temperatures for Fort Yukon, Alaska for Jan. 4 - Jan. 10
(Source: AccuWeather.com)
T
10 e
3o F
5 1o F
m
1/04
1/07 1/08 1/09 1/10
0 p
1/05 1/06
-­‐5 e
-­‐10 – 8o F
r
-­‐15 a
– 17o F – 17o F
-­‐20 t
-­‐25 u
– 26o F
-­‐30 r
-­‐35 – 33o F
e
(in degrees
Fahrenheit)
-­‐40 Day
a) Find the mean high temperature for the week.
b) Find the mode of the high temperatures for the week.
c) Find the median high temperature of days 1/04 through 1/07.