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Svetlanka [38]
2 years ago
14

Can someone answer 8, 9, and 10 please?

Mathematics
1 answer:
schepotkina [342]2 years ago
5 0
8)
<1 = 90
answer is a. 90

9)
k = 180 - 23 - 77
k = 80
answer is c.80
10)
x = 180 - 60 - 42
x = 78

z = 180 - 78
z = 102

y = 180 - 11 - 102
y = 67

answer is c x = 78 y = 67  z = 102

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