Not a question, how are you? how’s school treating you? for me not well, i cried ;)

In which form is the following function written? y = - 2(x – 3)(x + 5)

The ages of personnel in the accounting department of a large company are normally distributed with a standard deviation of 7 years. there is a 0.02275 probability that the age of any randomly chosen person in the department is less than 22 and 0.15866 probabilty that the age of any randomly chosen person is greater than 43. what is the mean of this distribution?

Construct and interpret a scatter plot of the data collected by a travel agency. if a relationship exists,make a conjecture about the number of visitors in month 12