Bài 1 Tính : 1 / ( x + 3 ) ² ; ( 2x + 1 ) ² ; ( 3x + 2 ) ² ; ( x + 1 ) ² ; ( x² + 2 ) ² ; ( 2x + 1 ) ² ; ( x + 2y ) ² ; ( 2x + 3y ) ² ; ( 2x + y ) ² = ( x² + y ) ² . ; 2 / ( x - 3 ) ² ; ( 2x - 1 ) ² ; ( x - 3 ) ² ; ( x - 1 ) ² ; ( x² - 5 ) ² ; ( 2x - 1² ; ( 3x - 2y ) ² ; ( 2x - 3y² ) ² ; ( x - 1 / y ) ² = ( x² - 2y ) ² . ; 3 / ( 2x + y ) ( 2x - y ) ; ( x + 2y ) ( x - 2y ) ; ( x + 2 ) ( x - 2 ) ; ( 2x + 1 ) ( 2x - 1 ) ; ( x - 1 ) ( x + 1 ) ; ( x + y² ) ( x - y² ) ( x + y ) ( x - y ) ; ( x²¹ + y ) ( x² - y ) ; ( 2x - 3y ) ( 2x + 3y )

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

Me #1 using vocabulary words, including the word “congruent”, state why the measure of angle d is 120 degrees. #2 what is the measure of angle e and why?

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?