Answer:
<h2>-38</h2>
Step-by-step explanation:

Follow the PEDMAS order of operation
Add and subtract left (left to right )

A: 112
b: 3 seconds
c: f(3) = 256
d: 7 seconds
Answer: dont know sorry
Step-by-step explanation:
Answer:The answer is 0.5b+7
Step-by-step explanation:
This question is not correct