Answer:
The last one (f) hope u still have time
(5,4)
On a system of 2 perpendicular axis with O as origine, the pair (5,4) means:
5 is the distance from the origin O and situated on x-axis (on the right of O)
4 is the distance from the origin O and situated on y-axis (above O)
Then the pair (5,4) is situated in the 1st Quadrant
Your answer is C for sure I am!
The answer is 900 because 10 boxes multiplied by 9 is 900
