Because the ones place is under 5, we round down, and 392 becomes 390 when rounded to the nearest 10
Answer: 37) 170
Step-by-step explanation:
85 - (-85) = 85 + 85 = 170


Question 11 :
the equations are :
now, let's graph the lines ~
As you can see in the attachment, The lines coincides each other, so the equations are :
Altitudes make right angles so it is C