Step-by-step explanation:
you need to put it in least to greatest
then you add all of the numbers together then divide by 5
.........................It is 40.
<span>1km=1000m 160m=0.160x4=0.64
</span>
2a + 4 - 7a + a
2a -7a +a +4
-5a + a +4
-4a + 4
-4a + 4 is your answer
hope this helps
To solve those you need to FOIL or rainbow the distributive property
hope this helped