If a chain reaction starts with one neutron and the multiplication factor (k) is 1.2, how many neutrons will their be after 500 generations (n=500)?

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

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?