Answer:
Assuming that it's a rectangular track and the units are 15x25 yards, the perimeter is 80 yards.
Explanation:
Remember to find the perimeter of a non-circular shape you just add up all of the side lengths together. In this case, I believe it's a 15x25 yard rectangle, so you ad 15 + 15 + 25 + 25 to get a total of 80 yards.
Answer: -10
Step-by-step explanation:
9-(-1)/2-3 = -10
I think the answer is 7 because when you multiply 7 times 2 = 14 you add it by 5 = 19