If angle a and angle b are complementary angles and m

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?