The measures of two sides of a triangle are given. If P is the perimeter, and p=18x+9y , find the measure of the third side

Landon wrote that 3−2.6=4. which statement about his answer is true?

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.