Answer:
Step-by-step explanation:
a)
The mean for ground floor is 20.67
The mean for balcony is 15.8
b)
the difference between the means is ground floor - balcony
20.67 - 15.8 = 4.87
You can talk about it yourself for part c
Answer:
0
Step-by-step explanation:
All of the lengths of both triangles are exactly the same, therefore no change has occurred and the scale factor is 0
Answer:
(12÷s)·60
Step-by-step explanation:
The hours it takes is 12/s so you multiply 60 to get the minutes. Next time, I would reccomend asking for help from the teacher or doing homework help, instead of putting all the RSM questions online. Thank you and have a good day :)
21 is a composite number. 21 = 1 × 21 or 3 × 7. factors of 21: 1, 3, 7, and 21.