Answer:
A) x=4
B)x=+3 or 7.24
Step-by-step explanation:
13+8n=-3
<em>Subtract 13 from both sides</em>
8n=-16
<em>Divide both sides by 8</em>
n=-2
k = -3
Hope this helps!
c
the total number of marbles are 12 and there are 3 colours so you divide 12 by 3
It is called an acute triangle.
