The answer is y-6 hope it helps
C = 2 pi r
but c = 15
15 = 2 pi r
15 = 2 * (22/7) * r
r = (15*7) / 2 / 22
r = 2.386
A. Centrifuge had the biggest impact on the development of the cell theory
<h2><u><em>
Answer:</em></u></h2>
<u><em>1. FALSE</em></u>
<u><em>2. TRUE</em></u>
<u><em>3. FALSE</em></u>
<u><em>4. TRUE</em></u>
<h2>
Step-by-step explanation:</h2>
<em>6≤-6 = False</em>
<em>-3<3 = True</em>
<em>2.9>2.9 = False</em>
<em>4.5≥4.5 = True</em>
<em>I Hope That This Helps You GOOD LUCK</em>