I believe the answer is 45.
Part b is $638.40
Part c is $1,641.6
Answer:
x² + 8x + 12
Step-by-step explanation:
see
the length of the entire rectangle = x + 6
breadth of the entire rectangle = x + 2
area of a rectangle = length × breadth
= (x + 6)(x + 2)
= x² + 8x + 12
which is the required polynomial in standard form
Answer:
Step-by-step explanation:
x=1
y= -2
See step by step explanation below: