5530 mm is 553 cm and 5.53 m.

Answer:
12(4+3)
Step-by-step explanation:
Factor out all of the problems.
Starting with 4(12+4)
This means (4*12)+(4*4)
48+16 is the answer to this
this isn't 48 + 36
12(4+3) is next
12*4 = 48
12*3 = 36
48+36 = 48 + 36
Therefore 12(4+3) is your answer
hope that helps!
hope this is what your looking for
Its an equation that helps you find the hypotenuse of a right triangle
c= √( a²+b²)
36 : 20
36 = 9*4
20= 5*4
36 : 20 =(9*4) : (5*4)
36 : 20 =9 : 5