The circle has an angle of 40° and an area of 8 cm2. Calculate the area of the entire circle.

Find the quartiles for these data values: 5,7,7,8,10,11,12,15,17

The average age of all students at a certain college is 22 years and the standard deviation is 2 years. What is the probability that the average age of a randomly selected sample of 100 students will be less than 21.8 years

Which expression is equivalent to (fg) (5) ?

The elevation of Niagara Falls which is located between Lake Erie and Lake Ontario, is 326 feet. How far is this above sea level?

Sandra read 5 books, Deacon read 6 books, and Breanna read 7 books. One book was read By all 3 children, but every other book was different. How many different books did the children read?

Write the ratio as a fraction in lowest terms 17 minutes to 2 hours

The expression 24 (1-x) gives the discounted price of a pair of shorts, where x is the percent of the discount written in decimal form. What does 1-x represent in the expression?

To estimate the height of a tree, a geometry student measures the shadow of the tree that is 30 feet from the base tree. They place a steak at the top of the Shadow. The student is 4 feet from the stake, and the students height is 5.

What is the cube root of 7/6?

Three of the vertices of a rectangle have coordinates (-1, - 1), (6, - 1), and (-1, 2). What are the coordinates of the fourth vertex