PLEASE HELP 3n2 – (15n – 10) + 7n2? A 10n2 – 6n + 4 B 10n2 10n? – 10 – 10 C4n2 – 2n – 4 D 4n2 – 17 1 in n – 10​

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.

Which of the following is an equation of a line parallel to the equation y=4x+1?

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?