If you flip a coin 20 times and get 12 heads and 8 tails, do you think it is a "fair" coin? what if it were 2000 times, and you had 1200 heads and 800 tails?

Asap! i'm not good math and i'm lost.

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?

Predict which statements are true about the intervals of the continuous function. check all that apply