Answer:
-12
Step-by-step explanation:
? + 3 = -9
Subtract 3 from -9
-9 - 3 = -12
? = -12
72*.2=14.4
72-14.4= 57.6
Games cost $57.60
Answer:
Step-by-step explanation:
Neutron: has mass and no charge
Protons: has mass and a positive charge
Try this order:
2,1,5,6,4,3
that means to put the first tile in the second place of sequence.
21-9 = 12. 12 + 9 = 21. The sums are 12 and 9.