Answer:
Fourth option
Step-by-step explanation:
Given the expression in the picture:
Apply Power of Power Rule


The left side of the equation option had this in the fourth option so the fourth option is right
The must be b because I got 16.66666
Answer:
There are 20 boys
Step-by-step explanation:
Answer:
answer is first option

wherein, a = 1, b = -3, c = -5