In a Statisctics course the professor uses the following grading policy: the bottom 5% of students receive an F, the next 10% receive a D, the next 40% receive a C, the next 30% receive a B, and the rest receive an A. Assume Students grades are Normally distributed with a mean of 70 and standard deviation of 10. Give the cut off scores for each letter grade: a. A/B
b. B/C
c. C/D
d. D/F

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

The federal reserve controls certain interest rates in the united states. investors often try to speculate as to whether the federal reserve will raise or lower rates and by how much. suppose a company conducts extensive interviews with financial analysts, and as a result, predicts that "thefed" will increase rates by an average of 0.25 percentage points every six months for the forseeable future. which type of equation could be used to model the predicted interest rates over the next several years, assuming no other significant changes? a) a linear equation b) a quadratic equation c) a polynomial equation d) an exponential equation

What else equals 42 and 30 for multiply