Answer:
Turn off her phone until she is on a break O
Step-by-step explanation:
answer is below
Starting from top left to right each row
1. 9
2. 17.5
3. 10.5
4. 22.5
5. 10
6. 16
7. 9
8. 19
9. 15
I hope that helps.
c) {(1,3), (2, 4), (1, 4), (2,3)}
Since, the cartesian product of two sets A and B is defined as,
A × B = {(a, b) : a ∈ A and b ∈ B},
Here, the given sets,
A = {1, 2},
B = {3, 4}
Thus, by the above definition,
A × B = { (1, 3), (1, 4), (2, 3), (2, 4) }
Hence, option 'c' is correct.