4) find the maximum value of the function x2 +9x -3 f(x) =- 4) (a) 2/3 (b) 1 (c) 7.75 (d) 16 (e) none of the above

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.

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

41/17 as a decimal rounded to the nearest hundredth