First you wanna distribute the 3 to x and 4
So the problem will then be 3x+12= 27
Then you wanna subtract 12 from 27
You get 3x = 15
Now you wanna divide 3x and 15 by 3
You then get X = 5
The answer is the top right one since the total $96.35 is on the deposit side.
Answer:
$3.75
Step-by-step explanation:
25 cents per a pencil
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.
Answer:
y = 1/7x - 8/7
Step-by-step explanation:
y = 7x+8
x=7y+8
x-8 = 7y
1/7x-8/7 = y