Answer:
8 units
Step-by-step explanation:
We can use the distance formula. Recall the distance formula:

Let (-11,7) be
and
, and (-5,1) be
and 
Plug in the numbers:



Answer:
It is the last one 6a-4b+11
Explanation:
Hope this helps if u need clarification plz ask:)
Find the slope soooo its (y2-y1/x2-x1)= -4/4 so -1 is slope
equation is y=-x+4
21.30•4=85.20
85.20+8=93.20
Answer=Dara has $93.20