Answer:
z =0.001
Step-by-step explanation:
log z + 12 = 9
Subtract 12 from each side
log z + 12-12 = 9-12
log z = -3
Raise each side to the base of 10
10^ log z = 10 ^-3
z = 10 ^-3
z =0.001
The original price of the coat is $90
Answer:
D
Step-by-step explanation:
<em>Midpoint Formula:</em>

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