1, 3 all, 4 all, 7, 12 all, 13, 14, 16 all, 17 a only, 19, 21 a, b, and c only, 22 all, 23 all.

please answer the following math questions.. 1, 3 all, 4 all, 7, 12 all, 13, 14, 16 all, 17 a only, 19, 21 a, b, and c only, 22 all, 23 all.
For each question label with the correct number and write out the orginal problem on the paper- work needs to be shown for all problems