I would like someone to please look at the attached image and tell me what I did wrong (no. 18) brainliest will be awarded to best answer.

Find the area of an equilateral triangle with a side of 6 inches

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

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour. what is the cyclist average rate for the round trip in miles per hour ?