Graph y= –3x+4. please show your work to prove it

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.

Bo is buying a board game that usually costs bb dollars. the game is on sale, and the price has been reduced by 18\%18%. what could you find the answer?

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.