What is the solution to the open sentence? 3y – 4 = y + 10
a. 2
b. 3
c. 6
d. 7

 the correct option is

(d) 7.

Step-by-step explanation:  We are given to solve the following open sentence :

To solve the given equation, we need to find the value of the unknown variable y.

The solution of equation (i) is as follows :

Thus, the required solution is y = 7.

Option (d) is CORRECT.

answer: the dogs need to shift their focus to human scent.

its because the dogs being trained are for search and rescue thus they need to be able to track humans and their specific scent