In a camp, 140 students from school A, 70 students from school B, 105 students from school C, and 35 students from school D, participated. Find the percentage of representation from each school.

4.5% of $230 is what?

Which is the vertex of f (x) = |x+8|-3

Write a polynomial function in standard form with zeros at 0, 1, and 2.

Change the improper fraction to a mixed number. 20/7

At the beginning of an experiment, there are 600 grams of contaminants. Each hour, half of the contaminants are filtered out. How many grams of contaminants remain after 4 hours?

A miniature horse weighs 228 fewer kilograms than a Shetland pony. Use the table to find the weight of a Shetland pony. Miniature horse wights 53kg

In a box of tickets, there are 50 blue tickets and 15 red tickets. after a certain number of red tickets are added to the box, the probability of randomly choosing a red ticket is 2/3. how many red tickets were added to the box?

The perimeter of a rectangle is 68 feet. Find the dimensions of the rectangle if the ratio of the length to the width is 9:8.

What is 0.8 to the power of 2

500 decreased by 55% =