The domain would be (negaive infinity, positive infinity)
After one week, Jacob has earned $80 from babysitting, so his change is an increase of $80. The next week, he spends $85, so he experiences a decrease of $85. Over the two weeks, his overall change is $80-$85=-$5, or a decrease of $5.
Answer:
missing side length = 9
Step-by-step explanation:

a = 6
b = 7
c = missing side




