Which expression represents, twice the difference of two numbers?

(a) 2(x−y)

(b) 2−x−y

(c) 2x−y

(d) 2(x+y)

A

Step-by-step explanation:

The difference of two numbers x and y is x - y

Twice this difference is

2(x - y) → A

i got 142 as my answer

step-by-step explanation:

a line is an defined derm because it

a)contains an infinite number of points b) can be used to create other geometric shapes c)describes something that does not have width or depth d) is a term that does not have a formal definition. a line is an undefined term because it: contains an infinite number of points.