What does quadratic function?

Solve the system by substitution 5x-2y=-22 -x+y=5

For a particular diamond mine, 78% of the diamonds fail to qualify as "gemstone grade". A random sample of 106 diamonds is analyzed. Find the mean μ.

Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 4 h, and Car B traveled the distance in 4.5 h. Car B traveled 5 mph slower than Car A. How fast did Car B travel?

After eating at the restaurant, Keith, Sam, and Alyssa decided to divide the bill evenly. If each person paid thirty-eight dollars, what was the total of the bill?

Veronica is placing her books into 2 categories, fiction and nonfiction. if she has 88 books and the ratio is 5 fictions to 3 nonfiction, how many nonfiction books does she have?

The base of a triangle is 9 inches more than 3 times the height. if the area of the triangle is 105 square inches, find the base and height.

What is - 25 feet per 2 seconds as a hit rate in feet per second?

1.2x+7.5=8+9x Round to the nearest tenth

The 5 members of the Wyler family paid $112.50 for admissions to a water park. What was the price, p, of each ticket

A factory made about 75,000 robots last year. The actual number of robots made was rounded to the nearest thousand.