Ada writes down at random a whole number larger than 1 and smaller than 11. Find the probability that it is a) Odd
b) even
c)a perfect square
d) a power of 2

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?