Answer:
2
Step-by-step explanation:
if x is 4 then y is 2 unlesss uknwo
Answer:
7.6
Step-by-step explanation:
m<DBA is 68 degrees
Answer:

Step-by-step explanation:
8.5, since there are 2 significant digits, the only 2 numbers would be 8 and 4, so round at 4 since 5 isn't included by is above and equal to 5