Answer:
2. 3
3. 4^45
Step-by-step explanation:

Answer:
hihi
Step-by-step explanation:
The answer is D. 15+18+12+5= 50 and there are 5 ramblers
7/8*8/9 = (7*8)/(8*9)
Since we have an 8 both above and below, we can erase it, and so the answer is 7/9
Step-by-step explanation:
I've posted solutions in the picture. Rather the ways to solve them. Check and find answers on your own.
Also, I've not solved the problem by differential calculus. You can, obviously, if you're interested. Use it for ease and for tougher equations.