Answer:
4x2+5x2-2x+8x=9x2+6x
Step-by-step explanation:
Indefinitely many
The lines are on each other so every solution is correct
Do u have an attachment of it ???
Answer:
3.9 miles
Step-by-step explanation:
Use phytagoras theorem
c²=a²+b²
4²=1²+b²
16=1+b²
b²=16-1
b²=15
b=

b= 3.872
≈3.9miles
Answer:
8
Step-by-step explanation:
you do the brackets first so (6n-1) would be 6-1 which equals 5
now we have m=5, m is 3 so 3+5=8