5/2, 2 1/2, or 2.5. All of these answers are equal to each other and answer the equation.
Hello.
Answer: -55. When adding two negatives, you add like you would any positive number.
Answer:
t = 130s
Step-by-step explanation:





If the speed signal sent was actually less, meaning that it would take more time to signal arrives from Earth to Mars. The lower the speed, the higher the time.
Answer:
212$ per month
Step-by-step explanation:
15,264÷72=212
Answer:
16%
Step-by-step explanation:
because 50 is 16% of 800
hope that helps and is correct