The cost of 6 sandwiches and 4 drinks is $36.70. The cost of 4 sandwiches and 6 drinks is $30.30. How much does one sandwich cost?

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?

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas

Answer asap! due in 30 minutes! ! 8th grade math