since the equation for both triangles have a2+b2, you can think of two equations for c2 and n2 as in a system of equations. substitute what a2+b2 equals for the first equation for a2+ b2 give me second equation. after you substitute what equation do you get​

I've never been good at math he told he loves but he keeps cheating on me, so it ain't adding up sis

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

How do i do this activity, is appreciated