Answer:
Step-by-step explanation:
2x²-3=47
2x²=47+3
x²=50/2=25
x=±√25=±5
Answer:
4.75
Step-by-step explanation:
5 times $.95. equals $4.75
Answer:
The tip is $12
Step-by-step explanation:
78 rounds up to 80.
15x80=1200.
1200/100=12.
Answer:
A is: 183
B is: -66
C is: Becuase under ground it is negative meters and high up is regular meters
D is: It is 466
Step-by-step explanation: