Answer:
n= 36
Step-by-step explanation:
18=n-18 (add 18 to both sides of the equation, 18 and -18 cancel out)
36=n
Answer: (0,12)
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
Replace the number with x, then the equation would be:
7x-4=x+8
7x-x=8+4
6x=12
6x/6=12/6
x=2
Answer:
Quadrant IV
Step-by-step explanation:
15π/4 is the same angle as 15π/4 − 2π = 7π/4. Which terminates in the fourth quadrant.