4x - 5/5 = 3. Pls hurry and answer

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.

Secant be and cf intersect at point d inside a what is the measure of cde

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with