Which rule describes the transformation that is a reflection across the x-axis? (x, y) → (–x, y) (x, y) → (y, x) (x, y) → (x, –y) (x, y) → (–x, –y)

What is the purpose of this chart? a. to show the populations of the largest cities in the world b. to show the populations of major cities today c. to show the populations of major cities in 1500 d. to show the populations of major cities in europe

You have been asked to build a scale model of a restaurant out of bottle caps. the restaurant is 20 feet tall. your scale is 2.4 cm : 1 foot. a: a bottle cap is one point two cm tall> about how many bottle caps tall will your model be? b: you are out of bottle caps, and decide to use popsicle sticks instead. you measure them, and they are 15.2 cm tall. how many popsicle sticks tall will your model be?

Mathematics viiwhat is the coefficient of a variable that appears by itself, like "a"?