Answer:
yes
Step-by-step explanation:
each input is put with only one output therefore it is a function
Answer:
75 years.
Step-by-step explanation:
Divide 150 by 2, that gives you the years.
Answer:
20h+e
Step-by-step explanation:
e=$220
Answer:16
Step-by-step explanation:
Add each side togeather
3x-6≤9
3x≤15
x≤5
so the answer is x≤5