The answer is
3a^+3a+a^3+1
If you need an explanation comment and I'll show you how
We can see that shape 2 has longer "stick" sorta say. we can see that stick on shape 1 is 2 units high (from 4 to 6) while stick on shape 2 is nearly 4 units high.
The "bulb" part of both shapes are congruent but because of their extensions they arent. Shapes dont have to be in same spot to be congruent. which is why second option isn't correct
Answer is last option
3(4+n)
Step-by-step explanation:
3(4+n)=12+3n
Answer:

Step-by-step explanation:
Given information
- 9 green marbles
- 10 purple marbles
- Total marbles = 10 + 9 = 19


I’m not sure but I hope this helps
Multiply -1 by -3
So the answer is f+3