Answer:
18
Step-by-step explanation:
Get it sis 57
11 23 fhsjjdjrjr
Answer:
The fourth line will have 15 marbles
Step-by-step explanation:
The third line has 7 marbles. So, you double that and add one in order to find the number of marbles in the fourth line.
7*2=14
14+1=15
12x^4 +6 +2x^3 +1x -6x^2 -3
12x^4 +2x^3 -6x^2 +1x + 3
i'm not completely sure this is the right answer but i gave it a shot! let me know if i was right or wrong
Answer:
D.
Step-by-step explanation: