A cross-country skier covered 1/3 of her race in one hour, 2/5 of the race the next hour, and the remainder of her race in the third hour. What fraction of her race did the skier cover during the third hour of the race?

A high school has 1,500 students. In a random sample of students, 10 own no pet, 18 own one pet, 14 own two pets and 8 own three pets or more pets. Predict the number of students at the high school who own one pet.

Brian is writing a paper that needs to be 20 pages long. He already wrote 8 pages and writes 4 pages each day. Write an algebraic equation to solve how many days it will take Brian to finish his paper. Let d equal the number of days

Take 47 subtract 6.55 add 0.22 multiply by 0.7

How many more barrels of gasoline then diesel were produced last year gasoline 34% diesel 29% total crude oil - 60 million barrels Total

Test scores on a statewide standardized test for a large population of students are normally distributed with mean = 9.44 and standard deviation = 1.75. Certificates are given to students who score in the top 2.5% of those who took the test.

Find the coordinates of the orthocenter of triangle ABC with vertices A (2, 6), B (8, 6), and C (6, 2). A. (5, 4) B. (1, 2) C. (6,4) D. (6, 8)

Square root 8y+1+5=1

80 % of _ games is 32 games

A truck drove 45 miles per hour it took 3 hours to travel between two towns what is the distance between the two towns

A fisherman is setting up a net 6 feet below the surface of the water. Each foot of the water screens out 40% of the light coming from the surface.