Math final

Ratios

100

Choose 2 ratios that are equal to 6:13

14:27

18:39

42:91

22:20

18:39 and 42:91

Order of Opp

100

10-2 x (5-2)=

4

200

20-3 x 4+1=

9

300

8-8/4 x 2 + 7=

11

400

9-5/(8-3) x 2+ 6=

13

500

3+6 (11+1-4)/8 x 2=

15

Number System

100

What is the opposite of 9

-9

200

What is the opposite of the opposite of 7

7

300

what is the opposite of the opposite of the opposite of the opposite of the opposite of 3

-3

400

What is the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the oppositeof the opposite of 20

-20

500

What is the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of the opposite 

-34

Expression and Equations

100

2+y=11 what is y?

9

200

2xy-5y+3

y(2-5)+3

300

8x+3 what is x

1/7

400

4y + 8=32

4y = 24 y=24/4 which simplifies to 6 

500

3x -

3x-7=2x+5

Arithmetic

100

1248/12=

104

200

3+7 x 2=

17

300

10,083-5,728=

4355

400

10,358 + 38,288=

48,646

500

106,742-84,836=

21,906