X = 9
Add both values 7 + 2 = 9, which is x.
9 - 2 = 7.
Answer:21
Step-by-step explanation: plug in 19 and 1
1x3 is 3 plus 19 is 21
Answer:
16 and 40
Step-by-step explanation:
Greater than 8,
The highest common factor is 8, the lowest common multiple is 80.
So, the two numbers are greater than 8, divisible by 8 ( highest common factor.)
The two numbers are 16 and 40.
Hope this helps plz mark brainliest :D
Answer:
This was an observational study.
Step-by-step explanation:
Given is that parents of children completed a questionnaire on the child’s light exposure both at present and before the age of 2 years.
This was an observational study since there is no treatment or control group.
We know that treatment, control groups or treatment groups are not specific to randomized control experiments.
Answer:
I think there is a picture that's suppose to go with this..??
Step-by-step explanation: