<span>Last
year, the average math SAT score for students at one school was 475. The
headmaster then introduced a new teaching method hoping to improve scores. This
year, the mean math SAT score for a sample of students was 491. The headmaster
concluded that the new teaching method produces higher SAT scores. The problem
with reporting results this way is voluntary response. The information of how
the teaching method isnot mentioned.</span>
a = (1+0.2)p
This equation is used to calculate the quantity of lemonade.
<u>Step-by-step explanation:</u>
Let the quality of lemonade in lans glass be 'a'
Quantity of lemonade in patricias glass = p ounces
Lan pours 20% more than Patricia
a = (1+0.2)p
This equation is used to calculate the quantity of lemonade
i have this exact screen and i dont know the answer
This doesn't make any sense
They are selling the wrapping paper for $5 each and selling the foil wrapping for $7 dollars each.
39=5(5)+2(7)
57=3(5)+6(7)
