A man bought two books for Rs.1040. He sold one at a loss of 15% and the other at a profit of 36% then he found that each book was sold for the same price. Find the cost price of each book.

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

What is the result of the following division?

Could somebody me with this radical simplification?