In a study by researchers at the University of Maryland, the body temperatures of 106 individuals were measured; the mean for the sample was 98.20◦F. It is commonly believed that the mean body temperature is 98.60◦F. The difference between the sample mean and the accepted value is significant at the 0.05 level.

How many lines can be drawn through points j and k? 0 1 2 3

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

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)