Answer:
The perimeter is 240
Step-by-step explanation:
The side length is 60 and 60*4=240
hope this help!
<span>(a+7) * (a-4)
a^2 - 4a + 7a - 28
a^2 + 3a - 28</span>
Answer: 
Step-by-step explanation:
Transformation rule for dilation:
, where k = scale factor
Given : Scale factor = 
Parallelogram JKLM has vertices J(-1, 6), K(0, 9), L(6, −3), and M(3, −3)
Vertices after dilation:




Hence, the coordinates of the image if the parallelogram = 
The answer is 20.
Hope this helps!! May I have brainliest?