2 |m - n²| + k³ (if k = -2, m = -7, and n = 4) (Those aren't 1s, they're the absolute value thingies)​

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.

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?