A statistics professor found that the results of the end of semester exam was normally distributed. The mean for the test was 120 and the standard deviation was 17. If 30% of the students failed the exam, what was the score required to pass?

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Find the value of x. give reasons to justify your solutions! c ∈ ae