10m^3-m^2-6m+9 is the answer
Answer:
The $3.20 one
Step-by-step explanation:
The $3.20 one is cheaper because you get more.
Answer:

Step-by-step explanation:
Given
See attachment for parallelogram

Required
What is the height?
The opposite sides of a parallelogram are equal and the height is the distance between the parallel sides.
From the question, we have:

Also from the question, the difference between the two parallel sides is 7in.
<em>Hence, the height of the parallelogram in 7in</em>
The answer would be hydro power because of its waterfalls
They will cost $54
i know this because if youre getting 40% off, you will have to pay 60% of the total cost
so, 90 x .60 = 54
let me know if you have any further questions
:)