Answer:
A and C are the right statements
Answer:
I believe it is four dollars
Answer:d
Step-by-step explanation:
Answer:
13. cubic units
14. 43 million; 79 million; 3.6 ×
15. 2.68 ×
Step-by-step explanation:
Answer:
7x + 21
Step-by-step explanation:
7(x+3)
7x + 7(3)
7x + 21