-8 + -7 + -5 + -3 + 3 + 5 + 7 + 8
_______________________
8
0
___
8
your answer is 0!

use a calculator to find 5 sqrt2
A and B are equivalent and C and D are equivalent
9. 1/3+(x+20)+(x-10)+40=360 10. 1/2x+1/2x+(x-15)+(x-25)+100=540
1/3+2x+50=360 4x+60=540
(3/1) 1/3+2x=300(3/1) 4x/4=480/4
2x=300 X=120
————
2
W=150