Rational Number Operations

What is the value of the expression -9 x 2.2?

• -6.8

• -19.8

• 6.8

• 19.8

BrynzLea has 3¾ bags of soil to put in her garden. Each bag of soil will cover 124.3 ft². How many square feet will BrynzLea be able to cover if she uses all these bags of soil?

• 469.875 ft²

• 375.225 ft²

• 407.225 ft²

• 418.502 ft²

Leiara gave the cashier $20 to pay for 3 pairs of socks. The cashier gave her $5.03 in change. Each pair of socks cost the same amount. What is the cost in dollars and cents for each pair of socks?

• 17.97

• 54.97

• 4.99

• 44.91

Shawna needs 10½ yards of fabric to make a quilt. She has one piece of fabric that is 2½ yards and another piece of fabric that is 4¼ yards. How many more yards of fabric does Shawna need to make the quilt?

• 4¼ yd

• 3¼ yd

• 3¾ yd

• 6¾ yd

• A
• B
• C
• D

• A

• B

• C

• D

There are 40 houses in a neighborhood. In this neighborhood, Company Z provides electricity to ---

• 21 houses

• 24 houses

• 16 houses

• 19 houses

Set A represents rational numbers. Set B represents integers. Which diagram shows the numbers placed in the correct sets?

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• 
• 
• 

Solve the expression:
$\left(-39\right)\div\left(-13\right)$

Which of the following statements BEST describes a situation in which opposite quantities combine to make zero?

• Kaycie made 6 pounds of pasta and divided the pasta into 3 containers.

• Alex missed 3 questions on a quiz in which each question was worth 5 points.

• Sara deposited $15 in her bank account and then withdrew $15 from the account.

• Zach scored 5 points in the first quarter of a basketball game and 8 points in the second quarters.