Which statement is true? all rectangles are parallelograms. all rectangles are squares. some triangles are quadrilaterals. every rhombus is a square.

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?

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.