If a number has a decimal that is .5+, you round up. If it is .4-, you round down. So 817.502 would be 818.
<1=97°
steps:
<1+83=180 co interior angle
<1=180-83=97°
Well the answer i got was

when i multiplied
the answer i got when i added was
Answer:
0.5
Step-by-step explanation:
If you add 0.5 to -0.5, it will equal 0.
Answer:
-1/56
Step-by-step explanation: