A logarithm question: 3² +㏒₂5

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle

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