Answer:
21 + x = 35
Step-by-step explanation:
if you do inverse operations you will find that x = 35-21
which is 14
<span>Diameter :D , Raduis : R
D = 2R
R = 1.4 angstrom
1 angstrom = 0.00000001 cm = 10^-7
cm
R = 1.4 * 10^-7 cm
D = 2.8 * 10^-7 cm</span>
Answer: your answer is C. there is no common factor between 6 and 15.
X² - 16xy + 64y²
= x² - 2*8xy + (8y)²
= (x - 8y)²
