The PTA at Okland High School is having its annual dinner and auction to raise money for music and art programs. Last year, the event raised $36,620. This year, it raised $18,310. What is the percent of decrease in the amount raised?

The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is 1⁄3 of the length of its body. a new baby whale is 1⁄4 the length of a grown whale. the average man is 1⁄17 the length of a blue whale, and 1⁄1,818 its weight. a human baby measures 1⁄4 of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Through non-collinear points there is exactly one plane.