Answer:
x2 - 4x - 21
Step-by-step explanation:
Forty and nine thousandths is the same thing as 40.009 in Standard form.
1. Supplementary 2. Complementary 3. neither 4. Neither 5.Supplementary 6. Complementary 7. Supplementary 8. Neither 9. Complementary
It will be 37.854 cubic meters