Because, if 6 + 6 = 12, then in 6 + 7, 7 can be splitted into 6 + 6 + 1, and so you find it easier...!!
14: it is subtracting (11-7=?)
15:it is subtracting (12-5=?)
16: it is subtracting (16-7=?)
17 it is adding (5+8+8=?)
hope this helps
Answer:
Your answer is:
(-6)(-5)=
= 30
Step-by-step explanation:
Hope this helped : )
Answer:
C
Step-by-step explanation:
Since the vertex is 2,1, that's the only equation that works for it. The 2 has to be the opposite, so -2, and the 1 stays 1.