A travel company sells holidays and wants to survey 500 customers stratified by country visited, complete the table.
uk france spain italy total
number of customers 968 248 2042 742 4000
number of sample 500

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.