Indira is using a number line to add Negative 1 + (negative 3). She begins by showing –1 on the number line, as shown below. A number line going from negative 5 to positive 5. The area between negative 1 and 0 is highlighted. What is the sum of Negative 1 + (negative 3)? –4 –3 2 3

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?

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76