$3\left(x^2+2x\right)$  

 $3x\left(x^{ }+2x\right)$  

 $3x\left(x+2\right)$  

 $3x^2\left(1+2\right)$  

 $3x\left(3\right)$  

40 cm sq.

48 cm

48 cm sq.

30 cm sq.

30 cm

75 in. sq.

75 in.

66 in. sq.

66 in.

84 in. sq.

30 ft sq.

18 ft sq.

60 ft sq.

180 ft sq.

60 ft

900%

300%

600%

33 1/3%

333 1/3%

8 yd²

24 yd²

216 yd²

648 yd²

26 yd²

149

50

150

100

2

A triangular prism

The perimeter of a triangle

The Pythagorean Theorem

The area of a triangle

3

2

4

 $\sqrt{24}$  

 $2\sqrt{6}$  

14

1.4

5.6

2.8

0.14

 $0.7\cdot10^6$  

 $0.7\cdot10^2$  

 $7\cdot10^7$  

 $7\cdot10^5$  

 $70000$  

700

70

7

 $7\sqrt{100}$  

 $7\sqrt{10}$  

 $\sqrt{12}$  

 $2\sqrt{3}$  

 $3\sqrt{2}$  

 $2\sqrt{6}$  

 $3\sqrt{4}$  

 $\frac{5x^5}{4y^4}$  

 $\frac{20x^5}{16y^4}$  

 $\frac{5x^5y^4}{4}$  

 $\frac{5}{4x^5y^4}$  

 $\frac{5x}{4}$