-4 and -5
because to get 16 to 12 you have to subtract 4 but it wants you to add so you put a negative sign infront of it.
and a negative multiply by a negative equals a positive so -3×-5=15
Answer: 44 inches
Step-by-step explanation:
The 3 longest are 14.5 14.5 and 15 so the answer is adding them and 44 is the answer.
i think the answer is linear I am not sure though