The formula of a distance between two points:

We have the points (-1, 8) and (5, -2). Substitute:

Answer:
-
Step-by-step explanation:

Answer:
Angle ZXY = 41 degrees.
Step-by-step explanation:
If WX is parallel to ZY then angle XZY = 71 degrees.
Angle ZXY = 180 - 68 - 71 = 41 degrees.
Answer:
+ 12
Step-by-step explanation:
8 - (- 4) = 8 + 4 = 12
Figure out how much they sell one for by diving the price by the quantity
CD Express offers 1 CD for $15
Music Place offers 1 CD fof $12.50
Music place has the better buy