Right ∆ABC has coordinates A(-7, 3), B( -7, 10), and C(-1, 3). The triangle is reflected over the x - axis and then reflected ag
2 answers:
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Answer:
0,1,2 and 3
Step-by-step explanation:
let the first number be b
therefore the second,third and fourth numbers are b+1,b+2 and b+3
b+b+1+b+2+b+3=b+6
4b+6=b+6
4b-b=6-6
3b=0
b=0
