I believe the answer is D
Answer:
4. (4*5*5)+(9*5*4)= 280 yd cubed
5. (11*6*4)+(7*3*1.5)= 295.5 ft cubed
6. (384*5)+(11*4*11)= 2404 yd cubed
7. 42+18= 60 mm cubed
The answer is D. Songhai's leader converted to Islam, while Benin's leaders maintained their native religion.
3a+ 4a= 7a. i think you need to put this kind of question in the math section