An observation study is where nothing changes and you record what is seen. An experimental study you have a control group and a testable group.
The answer would be: .C. The groups in an experiment are chosen at random, but not in an observational study.
Answer:
m - 7
Step-by-step explanation:
<u>Step 1: Convert words into an expression</u>
What is the expression for seven is less than m
<em>m - 7</em>
Answer: m - 7
Answer:
242 ft^2
Step-by-step explanation:
15 x 14 + 4 x 8 = 242 ft^2
(break down the polygon into two rectangles)
About 3.4% large according to the coordinates
