Answer:
<h2>no real solution</h2>
Step-by-step explanation:


Answer:
18
Step-by-step explanation:
15 x 2 = 30
30 - 12 = 18
18 girls are in his class
Answer:
0.0008032
Step-by-step explanation:
Hope this helps!
Answer:
Solution By Gauss jordan elimination method
x = 3, y = 2 and z = 4
0.006
That's you're answer