Answer:
Hypotenuse= 180.7 cm
Step-by-step explanation:
Using Pythagoras' theorem:
a^2+b^2=c^2 (let c= Hypotenuse "H")
(136)^2 + (119)^2 = H^2
18496+14161 =H^2
H^2= 32657
Taking square root on both sides
= 
H=180.7
let's bear in mind that a year has 12 months, so 30 months is really 30/12 years.

Answer:
C
Step-by-step explanation:
It is x=2 because 12 into 4 is 3 so 6 into 3 is 2