Answer:
Step-by-step explanation:
The answer is y=x-4
......................................
8:45
5x48=240 sec
240 sec = 4 min
8:49-4min= 8:45
-12
<u>Step 1: Substitute</u>
ab -> -4 for a and 3 for b
(-4) * (3)
<em>-12</em>
Answer: -12
