1. Determine the number of combinations of the letters of the word EXAMINATION given that four letters are taken at a time.
(5marks)

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park is the cost of admission proportional to the amount of people entering the amusement park? explain.

We have 339 ounces of jam to be divided up equally for 12 people how muny ounces will each person get