Answer:

Step-by-step explanation:
we have

<em>Find the amount of money that each girl spent</em>
For t= 2 hours



<em>Find the amount of money that they spend together</em>
Multiply by 2 the amount of money that each girl spent

it’s the 3rd one. so.. 5/8
ANSWER
The correct answer is B

EXPLANATION
The given exponential expression is

We can rewrite this as,

We need to simplify to obtain a positive index, so we apply the following property,

This implies that,

This will finally simplify to,

Therefore the correct answer is B
Answer:
the first step is wrong
it should be 4(x-4)/(x+1)(x-4) - (x+2)/(x-4)(x+1)
The answer is 2/10
your just reducing the ratio