It is given in the question that cost of pork is $7.99/kg.
It means cost of 1 kg pork is $7.99.
Cost of 2 kg of pork is

And cost of 3 kg of pork is

Therefore cost of 3.5 kg of pork is

It is an acute triangle bc 8 squared + 14 squared is 260 and that is more than 15 squared (225)
Answer:
4
Step-by-step explanation:
4 is the answer