Answer:
Step-by-step explanation:
Given are two rectangles MNOL and IJKH
MNOL is the image and IJKH is the preimage.
OBviously similarity is preserved between these.
Hence sides will be proportional
i.e. l1/l2 = w1/w2 = Scale factor k
This can also be written as
Scale factor square = 
Scale factor = square root of ratio of rectangle areas
Find ratio as

k = Scale factor = square root of the above fraction
=
The word missing in 12 is fraction and field
the missing word in 14 is dividing
Answer:
30 hours
Step-by-step explanation:
30+45x=60+45x
45x=30+45x
x=30
8/7 exact form
or
1 1/7 mixed number form
Answer:
-2?
Step-by-step explanation:
Multiply -1 by -4 to get 4
subtract 20 from 12 to get -8
simplify to get -2