The ratio of big dogs to small dogs in a park is 3 : 2. Which sentence describes the number of dogs in the park? There are 3 small dogs for every 2 big dogs. There are 3 big dogs for every 2 small dogs. For every 3 dogs in the park, 2 dogs are big. For every 3 dogs in the park, 2 dogs are small.

There are 3 big dogs for every 2 small dogs.

Step-by-step explanation:

It is given that,

The ratio of big dogs to small dogs in a park is 3 : 2.

We need to find the correct sentence for this given statement. Let there are 3x big dogs and 2x small dogs. It is a problem of ratio. Ratio gives how many times one number contains another.

It means that there are 3 big dogs for every 2 small dogs. Hence, the correct option is (b).

15.5

step-by-step explanation:

5

∑

n = 1

substitute n = 1, 2, 3, 4, 5 and sum the terms

= + + + 2² + 2³

= 0.5 + 1 + 2 + 4 + 8

= 15.5

< 4, -5>

step-by-step explanation:

starting from g. we move 4 right and then 5 down to get to h. that means the vector is < 4, -5>