Respuesta :

Answer:

8) B

9) A

10) D

Step-by-step explanation:

Answer:

1. 70 word per min

2. 4_1/4

3. 14,000

Step-by-step explanation:

Working is as follows:

1. 245 ÷ 3 1/2 = 70

2. (2_1/2)(2_1/2) = 4_1/4

3. 6,000 + 8,000 = 14,000

Sorry if I'm wrong :(