The answer would be D
-1 3/7=-10/7
-3 2/3=-11/3
-10/7 x -11/3=110/21
110/21=5 5/21
A negative times a negative =a positive
We are asked to find the length of

, which measures

. Using the segment addition postulate, we can add the two given expressions for

and

and make it equal to the expression for

.





We've found the value of

, but we aren't done yet. We need to plug in the value we got for

into the expression for

, which is

. Therefore,

. Hope this helped and have a great day!
Barry will use the distance formula:
d = √[(x₂ - x₁)² + (y₂ - y₁)²]
d = √[(4 - 3)² + (7 - 1)²]
d = 6.08 units
Twice the sum of a number and 3
2 (x+3)
is the same
=
as 11 increased by the number
11 + x
so...
2 (x+3) = 11 + x
2x+6 = 11+x
2x-x = 11-6
x = 5
It’s A because I looked it up