Answer:
A:
You do 65 divided by 25 = 2.6
52 divided by 2.6 = 20
Ryan has 20, so the answer is Ryan.
Hope this helps!
Answer: Observational ; does not
Step-by-step explanation: The main distinguishing factor between an experimental study and an observational study lies in the administration of treatment to the participant of the study. In experimental study, some or all the participant in the study are subjected or exposed to a certain treatment and their response to such treatment. ON THE OTHER HAND, Observational study is usually employed when there is a need to gather information on a particular subject matter without directly influencing the participants. In the scenario above, participants were not given any TREATMENT as they were only required to gather information and not to measure the effect of a treatment.
Answer:
fraction of the wall is limestone is 4/22
or 2/11 as a reduced fraction
Step-by-step explanation:
fraction of the wall is limestone is 4/22
the width is 22 in total
10 inches concrete = 10/22
8 inches brick : 8/22
4 inches limestone : 4/22
10/22+8/22+4/22=22/22=1
Answer:
n=-16
Step-by-step explanation:
Add 4 on each side:
n/2 = -12+4
n/2 = -8
Multiply 2 on each side:
n=-16