Answer:
No, no, yes, no
Step-by-step explanation:
The first one is not random. He is sampling only the earliest gym goers.
The second one is not random. He is sampling only from one zip code.
The third one is random. He is using a random number generator.
The fourth one is not random. He is sampling only volunteers.
Answer:
50 degrees.
Step-by-step explanation:
The angles of a triangle will always add up to be 180, so add and subtract to find the missing value. :)
Answer:
the first one is 90, the second is 150, the third is option d
Step-by-step explanation:
Answer:
She did not correctly add up the numbers
Step-by-step explanation:
253 + 14 = 267
Answer:
the answer is x power 6/y power 3