Answer:
a = 4
Step-by-step explanation:
a+8 = 12
a= 12-8
a=4
Answer:
A.
Step-by-step explanation:
Route the images in your mind. A. is a 180° view of H.
Answer:
See Below
Step-by-step explanation:
Total no of students = 24
No of boys = 10
So, no of girls = 24 - 10 = 14
Ratio of boys to girls = 10/14 = 5/7 = 5 : 7
So the ratio of boys to girls should be 5 : 7 and not 5 : 12
Im pretty sure x y should be 30, I hope this helps.
Answer:
my answer isn't on the list, but doing the math the median increased from 39 to 40, but the mean decreased from 49.16 to 45.57