father walk 36 miles in 12 hours while his son covers the same distance on a bicycle at twice the father rate of speed at this rate how many miles would the bicycle rider travel in 9 miles

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)

(co 3) the times that customers spend in a book store are normally distributed with a mean of 39.5 minutes and a standard deviation of 9.4 minutes. a random sample of 25 customers has a mean of 36.1 minutes or less. would this outcome be considered unusual, so that the store should reconsider its displays? no, the probability of this outcome at 0.035, would be considered usual, so there is no problem yes, the probability of this outcome at 0.035, would be considered unusual, so the display should be redone no the probability of this outcome at 0.359 would be considered usual, so there is no problem yes, the probability of this outcome at 0.965 would be considered unusual, so the display should be redone