In September 1997,the average cost for 1 gallon of home heating oil in New York City was $1.192 per gallon. By September 2008,it had risen to $4.173 per Gallon. What is the percent increase in those 11 years?round to the nearest percent

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?

What are “like terms”? why can we only add like terms?

Need this asap if anyone can i would be very grateful. if you could show workings that would really