It's 77.472 , but since you probably need too round it will be 77.5
-7, because you distribute it to both -4 and 3.2, which means you're multiplying it to both.
Answer:
scale factor = 
Step-by-step explanation:
the scale factor is the ratio of corrresponding sides. image to original.
scale factor =
=
= 
Answer21
Step-by-step explanation:xpressions equivalent? HELP!