There are fifteen children in the gym class who haven't yet been picked to be team leaders. if you need to select four, in how many ways can they be selected?
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Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

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.

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).