Answer:
(3x+7y)(3x-7y)
Step-by-step explanation:
this is because of difference of squares
There was 27 people called on Sunday because its
3 x 3 = 9 for Saturday
then 9 x 3 = 27 for Sunday
Answer:
5
Step-by-step explanation:
20/120=x/30
x=(1/6)*30=5
Answer:
Step-by-step explanation:
Given
length of each patch is in.
The size of the quilt is array i.e. there are patch available
The area of each patch is
The area of the whole quilt is