Answer:
A.
Step-by-step explanation:
A buffer must contain a weak acid and its conjugate base. There are several ways a solution containing these two components can be made: Buffers can be made from weak acids or base and their salts. ... Buffers can be made from two salts that provide a conjugate acid-base pair.
Answer:
$38.3
Step-by-step explanation:
Baseball = $7.2
Basketball = $45.5
45.5-7.2 = 38.3
point slope form is y-y1=m(x-x1)
from (6,1) y1 = 1 and x1 = 6
slope is given as -3
so you should have y=1 =-3(x-6)
60 degree is the complementary angle of 30 degree
