End of Year Review

A

B

C

D

8m, 6m, 10.6m

9ft, 12ft, 2ft

4.3cm, 2.8cm, 8.5cm

15yd, 20yd, 31yd

23in, 41in, 29in

$\frac{2}{3}\times3$

$\frac{5}{8}\times\frac{5}{8}$

$1\times\frac{1}{2}$

$\frac{1}{6}\times6$

 $\frac{1}{4}x-\frac{3}{4}$  

 $\frac{1}{4}\left(x+3\right)$  

 $\frac{1}{4}\left(x+12\right)$  

 $\left(\frac{1}{2}x-\frac{1}{4}x\right)+\left(\frac{1}{3}-\frac{5}{12}\right)$  

$\frac{2}{21}rev\ per\ \sec$

$\frac{6}{7}rev\ per\ \sec$

$\frac{7}{6}rev\ per\ \sec$

$\frac{21}{2}rev\ per\ \sec$

$-8.2-8.2$

$-4.25+\left(-4.25\right)$

$7\ \frac{1}{3}-\left(-7\ \frac{1}{3}\right)$

$5\ \frac{3}{10}+\left(-5\ \frac{3}{10}\right)$

43

56

82

112

Survey every person at the mall on a selected day

Survey the family and friends of town council members

Survey 500 residents randomly selected from a list of all residents in the town

Mail surveys to all residents and analyze the replies

-4.9

-4.8

-2.8

-2.9