Help me pleaseee. I don’t understand why this wrong so it would be great if you could help?

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables