The equation of a line is 2(y+x)=-2. what is the value of y when x= 1/4? step by step .

The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

Find the area of the triangle shown 3 by 6