What are people testing when they scratch a diamond against glass?

Olivia wants to learn a foreign language. To get an idea of how satisfied other students were after taking a foreign language course, she decides to take a random sample of 20 students.

What is the vertex of the function y=2 (x-5) ^2+1

A trapezoid has an area of 13.5 square inches. If the bases are 3 inches and 6 inches, what is the height of the trapezoid?

Evaluate the following expression when n = - 7. -9|n + 5|

Slope of (2,3) (4,1)

What is Eight plus the quotient of a number and 33 is - 2?

Marie bought 1/2 gallon of milk, which she finished after 6 days. If she drank the same amount of milk each day, how many gallons a day did she drink?

How to make as much light when power outage

The Few's are building a new home. One of the bedroom closets has an area of 48 square feet and a perimeter of 32 feet. What are the length and width of the closet using whole numbers?

The table shows the number of glass bottles of different colors in a shelf. A fair coin is shown below the table.