Write x^2+y^2+6x+8y+25=15
in standard form

What is 1/2 x (6 x 4)+3 + 2 show your work

Someone me what is the area of this figure? 18m 18m 8m 16m

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.