Answer:
Answer is B The stone age came after the Paleolithic period
Step-by-step explanation:
26.25
52.50 divided by 2= 26.25
x + y = 743
x = y + 75
B. 40
It looks like a 90-degree angle so...
90 - 30 = 60
60 - 20 = 40
40 would be your final answer.