Answer:
A). Scale factor = 
B). Length of the unknown side = 2.75 feet
Step-by-step explanation:
Part A
Since, the large rectangle was scaled by a scale factor 'k' to form the smaller rectangle,
Scale factor = 
= 
= 
= 
Part B
Scale factor = 

Therefore, side length of the unknown side =
= 2.75 feet
Answer:
The puppy's weight increases at the rate of 1.2 ounces per week.
.5 because first you add 1 on each side, that gets rid of the 1 on the left. then divide by 4
Answer:
He would be able to play for 5 games
Step-by-step explanation:
9 divided by 1.75 to get 5.14
5x + 4x = 720
9x = 720 (divide by 9)
X= 80
In order to get the bigger ratio, which is 5, you would substitute x for 80. (I'm bad at explaining)
Work:
5(80)= 400