I really need help and don't understand this. You don't have to do whole thing I just really want to know how to do it, so it would be very helpful if you can get me started

When the volume and number of particles of a gas are constant which of the following is also constant

If a plot weight (in g) vs. volume (in ml) for a metal gave the equation y= 13.41x and r^2=0.9981 what is the density of the metal?

In pea plants, the allele for tallness (t) is dominant to the allele for shortness (t). in the cross between a tall pea plant and a short pea plant shown below, what is the probability that the resulting offspring will be tall? whats the percent