Answer:
12 dollars for 1 hour.
Step-by-step explanation:
Double both sides
Answer:
sqrt(882) or 29.698
Step-by-step explanation:
AD^2 + DC^2 = AC^2
sqrt(21^2+21^2) = 29.698
Answer: The total world population is 57,340,000
Step-by-step explanation: The addition of all of the populations equal 57.34 million.