Answer:
10°
Step-by-step explanation:
All angles on a straight line equal 180°.
Answer:

Step-by-step explanation:
Given expression
= 
= 
= 
= 

Answer:
he worked 4 hours each day
Step-by-step explanation:
Answer:
$ -17
Step-by-step explanation:
If she has $28 dollars already, making the $45 purchase will bring it into the negatives because 28 - 45 is -17
i think...