The number of endangered species in a jungle decreased from 75 to 30 in one year.

What is the percent of decrease in the number of endangered species?

Louise has $36 in five-dollars and singles. how many of each type of bills does she have

The sum of 3 and a number is added to 24? algebra

The sides of a triangle are in the ratio of 3:5:9. The perimeter is 68 inches. how long is each side?

23 miles to 3 hikes Write a rate and Simplify

Since computers were invented, computational speed has multiplied by a factor of 4 about every three years.

The amount of rainfall in January in a certain city is normally distributed with a mean of 4.2 inches and a standard deviation of 0.5 inches. Find the value of the quartile Q1

To describe a sequence of transformations that maps triangle ABC onto triangle A"B"C", a student starts with a reflection over the x-axis. How should the student complete the sequence of transformations to map triangle ABC onto triangle A'B'C''?

What is the difference between tens and ones?

To the nearest foot, what is the radius of the Ferris wheel if you traveled 157 feet? feet

Kevin has traveled 42, 1/2 miles on his trip. That is 1/3 of the total distance, how far is his trip?