How much money do marcies parents owe her

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Reference no: EM13528875

1. Determine whether the following is an expression.

y + • w

A)  No    B)  Yes

2. Marcie gets paid $1.25 an hour to babysit her little brother.  If she babysits for 3 hours, how much money do Marcie's parents owe her?

A)  $3.75    B)  $4.00    C)  $3.50    D)  $3.25

3. Evaluate b2 – 2bc + c2 if b = 3 and c = –2.

A)  1    B)  25    C)  –7    D)  17

4. Multiply.

7x10 * 7x4

A)  49x40    B)  49x14    C)  14x40    D)  14x14

5. Which property of the real numbers is illustrated by the following statement?

7 • 3 = 3 • 7

A) Associative property of multiplication C) Commutative property of multiplication

B) Distributive property

6. Combine like terms.

5w + 5x – 9w

A)  w + x    B)  10w – 9x    C)  –4w + 5x    D)  wx

7. Which property of the real numbers is illustrated by the following statement?

19 + 11 = 11 + 19

A) Associative property of addition C) Commutative property of addition

B) Distributive property

8. Determine whether the following is an expression.

5 + z = x

A)  No    B)  Yes

9. Add. 20 + (–8)

A)  –12    B)  –28    C)  12    D)  28

10. Add. 0 + (–5) + 13 + (–3)

11. Use the indicated property to write an expression that is equivalent to the following expression.

(7 + 11) + 2        (associative property of addition)

12. Find the median.

20    15    17    25    22

13. Write the following phrase using symbols.

m decreased by by 4

14. Write the following phrase using symbols.  Use the variable x to represent the number.    

A number divided by 10

15. A rectangle has sides of 3x – 4 and 7x + 10.  Find the expression that represents its perimeter.

16. Use the properties of addition and multiplication to complete the statement.

(5 + 18) + 4 = 5 + ( ____ + 4) 

17. If a 4.4-pound bag of dog food costs $3.52, what is the cost per pound?

Reference no: EM13528875

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