Answer:
first blank: -1
second blank: -7
third blank: -13
fourth blank: - 19
Step-by-step explanation:
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12
if you combine the triangles (1/2) you get 6 since they are 0.5 of a unit divide by two = 3 add to 9 =12
a yes
b no
c no
d yes
e yes
f no
