Point D'′D' prime is the image of D(-2, 1)D(−2,1) under a reflection across the x-axis. What are the coordinates of D'

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it

14

step-by-step explanation:

14

4n=2m

ratio of m to n: 2/4 = 1/2

answer

a. 1/2