The pair of equations y = 0 and y = 7 has :
(a) one solution (b) two solutions
(c ) infinitely many solutions (d) no solution

Explanation

To determine the number of solutions for the pair of equations \( y = 0 \) and \( y = 7 \), we can analyze the equations step by step.

### Step 1: Understand the equations
The equations given are:
1. \( y = 0 \)
2. \( y = 7 \)

These equations represent horizontal lines on the Cartesian plane.
...