Milana, Matthew, and Joley have 21, 25 and 29 stamps respectively. What percent of all stamps does Milana have?

A newspaper has more than 30 pages and fewer than 40 pages. The newspaper is divided into selections, and each selection has exactly 8 pages. How many selections does the newspaper have?

Suppose a population of 250 crickets doubles in size every 3 months. How many crickets will there be after 2 years?

What is x2 + 2x - 3x - 6 as a product of binomials

Find the difference 18-15

jack wants to weigh at most 176 pounds before the baseball season begins. he has already lost 15 pounds. he belives he can lose 1.5 pounds a week.

What is the percent of 3/14

A 7th grader student chooses a random sample of 50 out of 400 students. He finds that 7 students have traveled outside the United States. The student claims that over 50 of the 400 students have likely traveled outside the United States.

If the car spends 2.5 hours going 35 miles per hour on the trip, how long does it spend going 35 miles per hours

Mr. Obama would like his daughter to attend Harvard in 6 years when she finishes high school. Mr. Obama would like to invest enough money in a certificate of deposit (CD) now to pay for his daughter's college expenses.

Geode shaped approximately like a cylinder. It has a height of 26 feet and a diametet of 5.6 feet. What is the volume of the geode, rounded to the nearest tenth?