Answer:
20/41 (it can't be reduced or simplified)
Step-by-step explanation:
41 is a prime number hence cannot be divided by anything.
Therefore, 20/41 simplified is still 20/41 and in decimal format is 0.488(3 d.p)
Answer:

Step-by-step explanation:
Let's try guessing...

All the units place has to be 4, if it is higher than 4 then the answer will not be 90 (the sum of the four rounded numbers).

Answer:
(9,-3)
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
B shows a parabola, which is a quadratic equation, not a linear one.
A dictionary would weight about 3kg.
3g is less than a tea spoon in mass!