The area of a circle is approximately 3.14 time the radius squared. Which of the following expressions is a correct way to write this, if the radius is x?
Answer

x(3.14)^2

3.14x^2

(3.14x)^2

2(3.14)x
1 points
Question 5

Merrill bought m notebooks for $2.50 each and n pens for $1.25 each. Which expression best shows how much she spent?
Answer

2.50 + m + 1.25 + n

mn + (2.50)(1.25

3.75(m + n)

2.50m + 1.25n
1 points
Question 6

Simplify the quantity of eighteen minus eight divided by five
Answer

2

5

10

20

Question

The area of a circle is approximately 3.14 time the radius squared. Which of the following expressions is a correct way to write this, if the radius is x?
Answer
		
x(3.14)^2
		
3.14x^2
		
(3.14x)^2
		
2(3.14)x
1 points   
Question 5
 
Merrill bought m notebooks for $2.50 each and n pens for $1.25 each. Which expression best shows how much she spent?
Answer
		
2.50 + m + 1.25 + n
		
mn + (2.50)(1.25
		
3.75(m + n)
		
2.50m + 1.25n
1 points   
Question 6
 
Simplify the quantity of eighteen minus eight divided by five 
Answer
		
2
		
5
		
10
		
20

midhun.madhu1987 · Answer

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