Possible Answer:
Millimeter.
Step-by-step explanation:
Judging by the item in the question, a straw, millimeter is probably the correct measurement of the width of it.
$25.
25/5=5
5x4=20
4/5 x 25 = 20
3*3*3=9 perhaps?? And then it would be in Surface Area??
Answer:
The answer would be 'B. perimeter'.
Let three consecutive multiples of 7 be 7x,7x+7 and 7x+14