Answer: The expression which represents the condition described is given as 
Step-by-step explanation:
Since we have given that
Amount that Molly owes her brother = $300
Let the number of hours she worked as a checker be x
Cost of per hour = $10
Amount she get after doing work for x hours is given by

Rate of tax are taken out = 80%
So, amount she left with is given by

So, Molly plans to repay her brother half of what she earns is given by

According to question,

So, the expression which represents the condition described is given as

Well to find the area of a circle given the radius you do: pi*12^2 Which is 452.4 in2
Pleas give brainliest?
Answer:
2
Step-by-step explanation:
Because it is curved
Parralel or most likely symmetrical
So 7/4 decreased by a number -x is 2 =2 or
7/4-x=2
add x to both sides
7/4=2+x
subtract 2 from both sides
2=8/4
7/4-8/4=-1/4
x=-1/4