8*2=16
8*8=64
d+d+d=3d
16+64=80d3rd
X-1/2=-1/2
X= -1/2+1/2
X= 0
She needs 750 meters because 1,000 x .75 is 750 i thinkk
They are all averages
mean=average 4+6=10, 10 divded by 2= 5, the mean is 5
median= middle number, 5 6 7, 6 is the median
mode= most repeated number, so 4,4,4,4,4,4,4,5.5,6 4 is the mode
100
75 times 1.333333333333333 equals 100
