I think the answer is Tang Dynasty.
Hope this helped :)
Answer: 180 degrees
Step-by-step explanation: I think
Y=x^2
substitute the values into the original equation
0=4^2
0=16
No it does not satisfy the equation because 0 does not equal to 16
25% of 40 is 10 so it would be $40+10 for the price so that should be 50. Markup=profit/cost*100
B........................
