1) The sum of a rational number and a negative integer is rational. A) Always True B) Sometimes True C) Usually True D) Never True

B

Step-by-step explanation:

If you take 1/3 and multiply it by -6 you get -2 but if you take 1/3 and multiply it by -1 you get -1/3.

20

step-by-step explanation:

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,