1,A circular cynlinder with a volume 81 pi.if the perimeter of the base is 6 pi,the height is ?

2,The total surface area of 2 indentical blocks which together with the volume is 1,458 units is ?

3,If one side of 6-inch ruler will be marked in inches,how many points will be in the edge including 0 and 6 inch mark?

4,Two sides of the O and P pointer that started from a vertical position as shown.Pointer O turns back the clock with a speed of 5 degrees per second and pointer P rotate clockwise at9 degrees per second.How many complete revolutions will be made when completing 335 P O complete revolution?

5,In a certain game of 50 questions,the final score calculated by subtracting tiwce the number of wrong answer from the total number of correct answers.if a player has tried all questions and get a final score of 35 ,the number of wrong answers,he has to be ...

Exam number 219:12

Fill in the blank with the suitable number (Note: write decimal number with "the dot" between number part and fraction part. Example: 0.5)

Question 1:
Given .
Find the value of "" such that its degree is equal to 4.
Answer: The value of "" is 

Question 2:
The value of  with  is 

Question 3:
Given . 
The degree of  is 

Question 4:
Given .
The degree of  is 

Question 5:
Given .
The value of  is 

Question 6:

In this figure, if the length of the line segment  is an even number.
Then   .

Question 7:
Given .
The value of  

Question 8:
The value of  with  is 

Question 9:
Given  with .
Then the minimum of  is 

Question 10:
The minimum value of  is