Can someone help me out 10 points

1. B (firefighter question)     2. A (dance lesson fee question)     3. A (dolphin question)

Step-by-step explanation:

1. The firefighters gear PLUS his weight is how much he weighs in total.

2. An added fee is usually represented as a registration fee or staring fee. There was 45w which should represent the fee she paid every week.

3. The dolphin swims at a rate of 25 kilometres per hour. The graph represents the distance the dolphin traveled because in two hours the dolphin would travel 50 kilometres (25 kilometres*2 hours) and so on.

-4

step-by-step explanation:

(-4+8)=-(4-8)=-8+4=-4

found it xd it ok yt