Answer:
a. 4/21
b. 4/7
Step-by-step explanation:
Please kindly check the attached files for explanation.
Answer:
A is the answer - sample 1 and sample 2 are most representative because they are the same answer.
Step-by-step explanation:
B convenience sampling because if it looks bad then she should throw it away but if it looks good then she should keep it
Yes because they both have the same degrees, but one is slightly rotated
Answer:
B
Step-by-step explanation:
let the angles be 3k,10k,2k
then 3k+10k+2k=180
15k=180
k=180/15=12
x=10k=10×12=120°