Decrypt the message

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Correct Answers: 
2
Points: 
9

Calculate 3.7 + 1.3 + 9.2

FUNNY MATH: Calculate 3.7 + 1.3 + 9.2 :)
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Correct Answers: 
3
Points: 
8

Calculate 18+6+20

FUNNY MATH: Calculate 18+6+20 (Author: Ruzica Pavlovic)
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2
Points: 
9

Calculate the number 619

NUMBERMANIA: Calculate the number 619 using numbers [3, 2, 8, 5, 15, 75] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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Correct Answers: 
3
Points: 
8

Find the area of the orange figure

Express result to the accuracy of 3 decimal.
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Correct Answers: 
20
Points: 
1
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