Chin bought 12 pounds of apples for 6$ make a ratio table to find the coat of 3 pounds of apples

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction

Arace is 10 kilometers long.markers will be placed at the beginning and end of the race course and at each 500 meter mark.how many markers are needed to mark the course for the race?