Answer:

Step-by-step explanation:
To write a circle in standard form, expand the equation of the circle and move all terms to one side.

The average can be found by adding them all up and dividing that number by the number of items. If the result have you a number that's more than the largest or less than the lowest, you did it wrong.
(75+70+90+60+50+90+70)/7
= 505/7
=72.14
Answer:
.
Step-by-step explanation:
Since


Total distance traveled during the trip = 

Hence, the distance traveled during their trip was
.