The combination for opening a safe is a four-digit number made up of different digits. how many different combinations can you make, using only odd digits?

In the diagram of circle a what is m

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.