Answer:

Step-by-step explanation:







Answer: It traveled 36,000 miles per hour.
Step-by-step explanation: 1/10 of a second x 36000 = 1 hour.
Answer:
28j + 21
Step-by-step explanation:
combine like terms
7(2j+ 3+ 2j)
7(4j+3)
Distribute
7(4j + 3)
=
28j + 21