3 Which table or tables below show a proportional relationship?
a
X
5
7
9
-8
0
11
15
y
9
13
17 -17 -19 21
29
b
X 7 14 91 9 -12 -36 81
y
4-6
-18401
3
7 455
4
45
<
X
-3
--10
O
10
5
4
y -27
0
1000
125
1000
48

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

Which of the following transformations will always produce a congruent figure?

Twelve different video games showing substance use were observed and the duration times of game play (in seconds) are listed below. the design of the study justifies the assumption that the sample can be treated as a simple random sample. use the data to construct a 99% confidence interval estimate of μ, the mean duration of game play. 4028 4316 4816 4650 4036 5010 4833 4331 4307