
Hey there! Our goal here is to isolate the variable on one side of the equation.

In order to solve for r you have to place all the number in one side. then isolate r ...... r=1
<span>D. L.A. to Flagstaff, 465 miles; Flagstaff to Albuquerque, 345 miles
The answer above is correct.
810 - 120 = 690 ; 690 / 2 = 345 mi ( Flagstaff to Albuquerque )
810 - 345 = 465 mi ( L.A. to Flagstaff )
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CI is congruent to AI
Step-by-step explanation:
Congruent means they are identical, CI and AI are identical