Question

What is circle

Evaluate 50 into 1/2 into 49 into 1/2 without actual multiplication

Petrol eum

Divide 5x^3-4x^2-3x-100 by x-1

Angle 80×36 15π×π÷45π × angle45-35 35×218

what did they think would happen if they did not find it? what is your opinion? questions in poem Night of scorpion.

Explain breibly

Can you explain me atmospheric pressure little bit more because I am still confuse 

1Q.     Mary wants to decorate her Christmas tree .She wants to place the tree on a wooden box covered with coloured paper with Picture of Santa Claus on it She must know the exact quantity of paper to buy for this purpose.if the box has length,breadth and height as80cm,40cm,and 20 respectively how many square sheets of paper of side 40cm would she require?

Fi

Convert -4 into degrees

Less than x and y

Question 3 video
. Exercise 7 A 

If A=2  -1  3 ,B=  -3  2  -1 then find AB abd BA. 
          -3  2  0            0  5  2 
          5  1  -1           1  -2  1
 Is AB=BA ?

Is matter around us

Prove that the sine function is everywhere continuous