Answer:
Step-by-step explanation:
Vertex
Answer:
-17x+31
Step-by-step explanation:
-3(3<em>x-5</em><em>)</em><em>-4</em><em>(</em><em>2x-4</em><em>)</em>
<em>=</em><em> </em><em>-9x</em><em>+</em><em>1</em><em>5</em><em>-8x</em><em>+</em><em>1</em><em>6</em>
<em>=</em><em> </em><em>-17x</em><em>+</em><em>3</em><em>1</em>
I don't understand what you mean by 'mentally' but anyways, here is how to solve it.
(z−12)(z+12)
=(z+−12)(z+12)
=(z)(z)+(z)(12)+(−12)(z)+(−12)(12)
=z^2+12z−12z−144
=z^2−144
Answer:
if 8kg- rs148
what about rs832.50
so you multiply rs832.50*8kg/rs148
answer=45 kg
The answer for the first one is city c