Answer: for number 7
Step-by-step explanation:
a²+b²=c²
3²+8²=c²
9+64=c²
-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:
Answer: D (3 or 4)
Step-by-step explanation: