Use the substitution method to solve the system of equations. choose the correct ordered pair.3x + y = 10y = x – 2
a. (4,2)
b. (3,1)
c. (2,0)
d. (5, 3)

B. (3,1)

Step-by-step explanation:

The given system of linear equations :-

Substitute the value of y from equation (2) in equation (1), we get

Now, substitute the value of x in equation (2), we get

Hence, the solution of the given system of equation = (3,1)

b) the dogs need to shift their focus to human scent.

35x 3= 105

step-by-step explanation:

35+35= 70   70 + 35= 105