Combining Like Terms and Area of a Triangle

What is the area of this triangle?

• 10 m

• 14 m

• 140 m²

• 70 m²

Simplify: 12b + 4b² - 10b

• 4b² + 2b

• 4b² + 22b

• 6b²

• Can't be simplified

n +10 +9n -3=

• -3
• 9n-3
• n
• 10n + 7

Find the area of the triangle.

• 20 cm²

• 56 cm²

• 28 cm²

• 27 cm²

Simplify: 10d - 3d + 2e + 4d

• 11d + 2e

• 17d + 2e

• 19de

• Can't be simplified

Combine Like Terms

30 + 80k + 9k + 27

• 57 + 89k

• 57 + 720k

• 30 + 80k

What is the area of this figure?

• 48

• 24

• 60

• 30

Combine Like Terms

-x + - 3x

• 3xx

• 4x

• -4x

• 3x

Which expression is equivalent to  $8c\ +\ 6\ -\ 3c\ -\ 2?$  

•  $5c+4$  

•  $5c+8$  

•  $11c+4$  

•  $11c+8$  

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4