63 is 90% of the number 70 | 0--7--14--21--28--35--42--49--56--63--70
21/2 is 10.5 so that would be the length of the diagonal near the 4 and the side would be 4 which 10.5 is the lengths of the other 2 diagonals so you take LxW
Answer:
d= -1/px + 10/9px^2
Step-by-step explanation:
829 is rounded to 830 because the 9 is greater than 4 so its going to be rounded up.