The perimeter would be 7+7+4+4 or 14+8 which equals 22 and the area would be 7x4 which is 28
Answer:
I think its A
Step-by-step explanation:
Answer:
Option C. 
Step-by-step explanation:
we know that
Using a Excel tool (Correl function)
see the attached table
The r-value is 
Answer:
9 times
Step-by-step explanation:
Area = length x breadth
area of picture not enlarged = 3 x 5 = 15in²
If length is tripled it becomes , 3 x 3 = 9in
If width is tripled, it becomes , 5 x 3 = 15in
Area of enlarged picture = 9in x 15in = 135in²
amount by which enlarged image is larger = 135in² /15in² = 9
30.
3/4 is equal to 75%, so take 75% of 40 by multiplying .75 by 40 to get 30