You would do 10.5×8 since it is the area of a rectangle. That would get you 84.
You then do 84×1.25 since there is 84 square feet. That would get you 105.
It would cost her $105.
Answer:
30,000
Step-by-step explanation:
Although Alma did use a survey to ask her friends whether listening to music improves their test grades, she did not provide a sample nor could she experiment without using this variable. Thus, using the same reasoning, choices A, B, and C are excluded.
D) She did not use a random sample, and she tried to show cause and effect with an observational study.
8÷1/3=24 so the answer is C
(Divide) 1,300÷15=86.6666666667