Answer:
360
Step-by-step explanation: 360 is the least
Answer:
equivalent to 
Step-by-step explanation:
Given ratio, 
It can be written as 
cancel common factor,

Answer:
it should be a
Step-by-step explanation:
if you work for $10 an hour, and work for 2 hours, you make $20 but if you double the hours worked, so 4 hours, you make $40, which is double the hours, and double the money
Answer:
the missing angle is 148°
Step-by-step explanation:
the sum of all exterior angles of a triangle are 360°
so, 360-138-74 = 148°