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100

x - 5 = 10

x=15

x 30

100

-6 + 2 + 4 + 12 - 3

9

x2

100

simply 4:2

2:1

100

12 ___ 10

>

100

GCF of 20 and 5

5
200

4x - 4 = 12

x=

4

200

22 x 5

20

200

multiply 2/3 x 4/5

8/15

200

median: 9, 4, 2, 3, 1, 5, 5


4

200

LCM of 3 and 5 

15

300

Equivalent?

4(2x + 5) = 8x + 4

Nope


300

92

81

x3

300

multiply 4 x 5/6

20/6 or 10/3

Triple points

300

interquartile range 

1, 2, 3, 4, 5, 6, 7 

4

triple

300

3/7 x 3/7

9/49

x2

400

3x (2x + 4) = 


6x2 + 12x

400

5b3 x 3b2 =

15b5

x2

400

b + b + b + b =

4b

x5

400

lower quartile in

1, 2, 3, 4, 5, 6, 7

2

400

12 x 3.4

40.8

x2

500

5 (3x + 6) when x= 0

30

500

10b2 + 10b - 10b2 - 10b = 

0

500

divide 120/4

30

500

10 + 3 - 12 ___ 1

=

500

14.5/5

2.9

x2