Identify the set of numbers that best describes each situation. Explain your choice.

1. The height of an airplane as it descends to an airport runway.

2. The score with respect to par of several golfers: 2, - 3, 5, 0, - 1

Four 7th and 8th grade classes at a school are going on a field trip. There are 20 students in each class, but 90% of them got permission to go on the trip. If the school requires 1 chaperone for every 8 students, how many chaperones are needed?

TUTU The ratio of boys to girls in a class is 4:5 a) What fraction of the class are boys? b) What fraction of the class are girls?

Separate the number 219 into three parts. The second number is two less than 5 times the first number, and the third number is 4 more than the first number.

Tasha plans to tile the floor in her room with square tiles that are 1/4 foot long. Will she use more or fewer tiles if she is only able to purchase square tiles that are 1/3 foot long? Explain.

A cylindrical tin of height 15 cm and radius 4 cm is filled with sand from a rectangular box. How many times can the tin be filled if the dimensions of the box are 50 cm by 40 cm by 20 cm?

Which order pairs in the form x, y are solutions to the equations 4x-5y=24

Naomi's fish Is 40 mm long her guinea pig is 25 cm long how much longer is her guinea pig than her fish

How much can 7 go to 57

In 2013, the population of China was estimated to be 1,360,760,100. Round off the number of people a. to the nearest thousand. b. to the nearest million. c. to the nearest hundred million. d. to the nearest hundred thousand.

5y-8x-y+12x combine like terms to simplify