The difference between compound and simple interest on a

For the 2 variables x and y with the same mean, the regression equation are y = 5x+b and x=7y +c. Calculate b/c

In a futures contract, if the spot price at maturity is lower than the agreed futures price, the party with a 'Short Position' will:

What is the variance of first n natural numbers

Comparative advantage is based on 

The profit-maximizing monopolist will choose the price and quantity represented by point

If bxy = 0.20 and rxy = 0.50, then byx is equal to:

In the Solow growth model, long-run economic growth is determined by:

Given x=2y+4 and y=kx+6 are the lines of regression of x on y and y on x respectively. Find the value of k if value of r is 0.5.

The index of import prices stands at 120 and that of exports is 156. What is the terms of trade