Answer:
r= 9
Step-by-step explanation:
radius (r) = diameter (D)/2
= 18/2
= 9
Answer:
14
Step-by-step explanation:
The answer is C (4/26)
Explanation:
Number of unique letters in MATH = 4
Number of letters in the alphabet = 26
P(Getting a letter from MATH) = 4/26 = 2/13
64%, because 40% of 60% is 24%, and 2 mg of pure copper is 40% of the overall alloy, so add 24 and 40