Answer:
I'm pretty sure it's the last one !
Step-by-step explanation:
Good luck on your quiz!!
Hope you have a good day
:)
Answer: x = 20, y = -15
Step-by-step explanation:
Since we already know that
, we can just substitute in that value of y into the other equation:

with the value of x, we can find the value of y:

Answer:
Since the equation is addition, reverse it into subtraction. 210-53.715-51.3-52.62= 52.365. You can add 53.715 by 51.3 by 52.62 by 52.365 to check your answer, and it will be 210 so the 4th runner ran 52.365 seconds.
i also got this question but i figured it out lol
Answer:42
Step-by-step explanation:
Pi x D = circumference
Radius x 2 = diameter
8 x 2 = 16
16 x pi = 50.26548246