Part 1: Jack starts his bike ride at 7:30 and gets back home at 9:00. He goes to the park and back, a total of 4.5 miles. what is the unit rate?

part 2: Chris' trip can be represented by the equation y=2.75x.

what is the unit rate?

part 3: who travels at the fastest rate?​

Julia measured the high temperature in her town for one week. using the chart above, find the mean absolute deviation for the high temperatures. round your answer to the nearest tenth. be sure to show your work for finding: the mean of the set of data the distance of each number from the mean the mean absolute deviation

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?

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points