Mr. sam is raising chickens or ducks on his farm. all chickens eat the same amount of feed per week, and all ducks eat the same amount of feed per week. if 4 chickens and 20 ducks eat a total of 34.80 kg feed per week, and 16 chickens and 15 ducks eat a total of 41.70 kg feed per week, how much feed does a chicken and a duck eat respectively per week?

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?

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.