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(1)ANSWER KEY 1a/
1b/
2a/ 52,211
2b/ 82,222
3/ 1000 2000 33,000
4/ 14 290 623 46
5/
3.45 4.35
12.43 21.34
6/ x 56 2x28 4x14 7x8
7/
8/ 20
9/ 24 19
(2)10/ 24
11/ 15912
12/ 59
13/ (regular) decagon
14/
15/ heptagon octagon nonagon
16/ acute obtuse reflex
17/
18/ isosceles equilateral scalene
19a/
A ( , ) B ( , -2 ) C ( -2 , ) D ( -3 , -4 )
(3)20/
(2,2)
21/ 84
22/ 303
23a/ $85
23b/ $6
23c/ $55.8 $39.6 $20.7
24/ 25 36 49
25/ 27 125
26a/ 460 grams
26b/ 90 ml
27/ 0.4 0.1
0.375 0.12
28a/ 57 cakes
28b/ 42 cakes
x x x
(4)28c/ 45 cakes
29a/ Theme Park
29b/
29c/ 29
30/
31/ hours 24 minutes