New area / old area = 63/7 = 9
The actual area increased 9 times.
Area is a squared value, so the scale factor would be the square root of the increase.
Scale = sqrt(9)
Scale factor is 3
Since the correlation is positive, the slope b must be positive.
Answer: the answer is c good luck mate
Step-by-step explanation:
Answer:
79.17%
brianna- 3 feet 9
christina 3 feet 4
samantha 3 feet 1
benjamin 2 feet 3
ryan 2 foot
Steps to solve:
9 = -4 + u
~Add 4 to both sides
13 = u
Best of Luck!