Faith earned a score of 604 on Exam A that had a mean of 600 and a standard deviation of 40. She is about to take Exam B that has a mean of 150 and a standard
deviation of 10. How well must Faith score on Exam B in order to do equivalſntly well
as she did on Exam A? Assume that scores on each exam are normally distributed.

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)