Answer:
Collin: 26, Sarah: 65, Gordon: 39, so 130 altogether
Step-by-step explanation:
Remember that Distance = (Average speed)(Time)
Let x be the distance between Detroit and Columbus.
We know the journey from Detroit to Columbus took a time t, and the returning trip took a time t+

. We also know the Average speed of both journeys, so now we can set our equations:

Now, we can replace equation 1 into equation 2 to find t:




Now that we know t, we can replace it into our equation 1 to get the distance:


We can conclude that the distance between Detroit and Columbus is 220 miles. <span />
Answer:
Base
Step-by-step explanation:
An exponent is a number/letter written to the top-right of a mathematical expression called the base. It means that the base will raised to a certain power.
The radical sign is a symbol for the square root of a number.
Answer:
Step-by-step explanation:
-2/3(1)-1 = -2/3 - 1 = - 5/3
Answer:
Question incomplete.Please tell the functions.