Answer:
the answer is 2.25
Step-by-step explanation:
you divide 6.75÷ 3
3x - 6 = 2x + 6
3x = 2x + 6 + 6
3x = 2x + 12
3x - 2x = 12
x = 12
Answer: 1-250(+80-18)=-188
Step-by-step explanation: the submarine starts at sea level, goes down 250 feet (-250). rises 80 feet (-170). descends 18 feet (-188). i don't know if this is correct or not. i haven't learned descending yet so idk- i think it's right i'm not sure. i don't know if this is right i'm so sorry.
The parabola opens in the direction of the focus.
Since the focus is above the vertex, it opens up.