Agroup of 6 people at an elementary school gave a total of $1,890 to a town to fix up a playground each person gave the same amount. at a middle school 5 people each gave $280 to the same town how much more did each person at the elementary school give than each person at the middle school

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 the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y