How many ways can the teacher choose a group of 5 students to present the first day of Marjorie must present ok he first day

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?

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.