What is 17.565x10 to the power of 2

This is so hard and it’s for a test

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?