A triangle is rotated 90° about the origin. Which rule describes the transformation? (x, y) → (–x, –y) (x, y) → (–y, x) (x, y) → (–y, –x) (x, y) → (y, –x)

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?