U=(x+2)
u^2+5u-6=0
C is answer
It be 81.
You have to take half of -18 which is -9, and square that, which is 81.
Equation represent situation is 6d = 37.2
<u>Given:</u>
Total distance cover by runners = 37.2 miles
Number of runners = 6
<u>Find:</u>
Equation represent situation
<u>Computation:</u>
Assume;
Each runner cover distance = d miles
So.
Total distance cover by runners = Number of runners × Each runner cover distance
37.2 = 6 × d
6d = 37.2
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