Answer:
192
Step-by-step explanation:
-3(-4(2) - 7(8))
= -3(-8 - 56)
= -3(-64)
= 192
*Negative x negative = positive
Answer:

Step-by-step explanation:
This is a 30°-60°-90° triangle, so automatically,
, and
.
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Answer:
1: The cost of twelve bottles is $24 cause 12x2=24.
2: The ratio is 24/12 or 2/1
3: $2 every time