A rancher has a square cow pen with side length 2. He decides to change the shape of the pen while still using the same amount of fencing materials. The equation (-+ + 10) (0 – 10) = 300 represents the relationship of the new side
lengths in feet) of the pen and its area (in square feet).
Find the original side length in feet) of the square pen. Show your reasoning.

Which option identifies how kevin should proceed in the following scenario? four years ago kevin designed an mp3 player for young children. now that technology has changed, he would like to update his design to ensure that it encompasses cutting-edge techniques. by creating a third-angle projection of his ideas by designing an isometric projection of his new ideas by referring to past designs and illustrations of his original model by conferring with engineers who have improved upon similar devices

Explain how the quotient of powers was used to simplify this expression.

Factor the gcf out of the polynomial 9x^6+6x^4+15x^3