The equation de mon can be used to calculate the density, d, of an object with mass, m, and volume, V. Which is an equivalent equation solved for v?

In an experiment you are to flip a two sided coin 100 times and record 55 heads up and 45 tails up determine the theoretical and experimental probability of getting a heads up in the experiment.

Can someone, me with this.i really need with this

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?