<span>The outside part or uppermost layer of something (often used when describing its texture, form, or extent).</span>
Step-by-step explanation:
0.4 x + 3.9 = 5.7
hope 0.4 x = 5.78 - 3.9
0.4x = 1.88
x = 1.88/0.4
x = 4.7
I think it's another trick question and the answer is 2000.
Answer:
15.
Step-by-step explanation:
15 is composite because 3 * 5 = 15.
The others are prime.
