{1,3,5,7,9,11} find the subsets and proper subsets

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

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap