Answer:
math is a difficult subject
Answer:
C. The sum of 18 and half the product of 9 and 4.
Complete Question
The complete question is shown on the first uploaded image
Answer:
1

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Step-by-step explanation:
Generally the area of a sector is mathematically represented as

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and 


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in and 


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First write nine ten thousands in standard form which is 90,000. Next divide 90,000 by 10 and you should get 9,000 by crossing out one zero in both numbers. To get 9,000 in unit form all you have to write is 9 thousands. And your answer is 9 thousands
45+10= 55
55+10= 65
65+1= 66
66+1= 67
67+1= 68
68+1= 69
69+1= 70
70+1= 71
Because 10+10+1+1+1+1+1+1= 26,
71 is your answer :)