Answer:
1st:17
2nd:18
3rd:19
Step-by-step explanation:
hope this helps have an amazing day :)
duvide 54 by 3
gives middle number
D) 30
3(a + 4b)-6 = 3 ( 4 + 4*2) - 6
= 3( 4+8 ) - 6
= 3*12 - 6
= 36 - 6 =30
x = 13
10 is the answer.
I think
