Fill up the gaps Two independent variable are______.

Fill the gap T_n=S_n-….

Fill up the gaps: Uranium is an element of__________series.

Fill up the gaps An empirical formula represents_____

The number of litres of petrol you buy to fill a car's petrol tank will decide the amount you have to pay. Which is the independent variable here? Think about it.

Fill in the gap : Two triangles are similar if their _______ sides are proportional.

If X and Y are two independent random variable, then E(XY) = ?

Fill in the gap : All rectangles are _______.

Fill up the gaps: The compound________is known as philosopher's wool.

Fill up the gap. The curved surface area of a cone is also called the ...........