Answer:
1/4
Step-by-step explanation:
All fractions, both positive and negative, are rational numbers.
Answer:
The answer is "3"
Step-by-step explanation:
In the question, some of the data is missing which is defined in the attached file. please find it.

That's why 3 is correct.
Answer:
perpendicular
Step-by-step explanation:
Supplementary angles add up to 180, so
6x+60+90 = 180 and solve for x
6x= 30
x=5
Answer:
last option
Step-by-step explanation:
b) 1/6 = 16.7 to 1dp
c) 45% = 45/100 = 9/20
d) 7/9 = 77.8% to 1dp