Answer:
Step-by-step explanation:
They have the same amount
5x + 3
23
5x
20
x
4
So it can be {4, 8, 12}
If this helps, can you give me the brainliest answer? I need it...
Thank you very much.
Answer: B. Controlled experiment
Step-by-step explanation:
This is a controlled experiment because the variables in the question are manipulated by the researcher. We are told that while one group watches television before going to sleep, the other group does not.
The controllers won't have control over the variables that were used if it was an observational study while for a survey, it has to do with collection of information regarding certain topics or happenings in order to have people's perception on the topic or area of interest.
10=N I’m not 100% sure hope this helped :)
Answer:
substitute y = 4 into the expression⇒(2×4)+3=8+3=11
Step-by-step explanation:
