2 1/8 + 1 1/5 = A. 3 2/8 B. 1 C. 7/15 D. 1/5 19. Increase 4494 by 14094 A. 18885 B. 18888 C. 18598 D. 18588...

18. 2 1/8 + 1 1/5 =
A. 3 2/8
B. 1
C. 7/15
D. 1/5
19. Increase 4494 by 14094
A. 18885
B. 18888
C. 18598
D. 18588
20. Which law applies in the following problem? 8x (40+5)=
A. Associative law of addition
B. Commutative law of addition
C. Distribution law of multiplication
D. Identity element of addition
21. How many years make a decade?
A. 100
B. 1000
C. 10
D. 100 000
22. Convert 165 cm to mm
A. 165
B. 1650
C. 16.5
D. 1.65
23. 97493 __ 87989+2000
A. >
B. <
C. =
D. ( )
24. Which polygon has 9 sides?
A. Nonagon
B. Pentagon
C. Hexagon
D. Octagon