Which expression is equivalent to n5 +n5+n+5n+5n?

Find the value of x. give reasons to justify your solutions! l, m ∈ kn

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

Select the term that describes the linear portion in this quadratic equation 7x^2-12x+16=0 a) -12x b) 7x^2 c) 16