Answer:
139
Step-by-step explanation:
57+67+45=169÷3=139
Answer:
your answer to that would be 5 other Geographic Square
Answer:
<em>see</em><em> </em><em>explanation</em>
Step-by-step explanation:
f(x)= -2(x²+8x+16)-5

48.7 rounded to one significant figure would be 50