A triangle is rotated 90° about the origin. Which rule describes the transformation? A. (x, y) - (x, y)
B. (x, y) - (y, x)
C. (x, y) - 6y. -x)
D.(x, y) - V -x)

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?