What is the probability that the mean duration of the 24 rowers with idna exceeds 63 minutes?

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?