Answer:
third option
Step-by-step explanation:
four times a number: 4n
add 8 to it: 4n + 8
All of this equals to -12.
Hence: 4n + 8 = -12
Answer:
The second boat will catch up in 8.5 hours, and they will be 187 km from their port.
Step-by-step explanation:
Since the system of equations are d=18t+34 and d=22t, you first rewrite d=18t+34 as an equation. 18t+34=22 and that equals to 8.5=t. Then you solve the next one d=22t and the answer you got from the other equation, you substitute d=22(8.5) and that equals to 187.
5m or m(5)
Have a nice day :)
Answer:
41
Step-by-step explanation:
3(4)²-2(4)+1
48-8+1
41