Answer:
I don't know I can't understand do you know that you will lose 5 points
Yes the fractions are equivalent. 5/5 is another equivalent fraction
Answer=0.3
1/10 of 3.0 is 0.3
3.0*(1/10)=0.3
So, all 8 numbers added up would equal 80. and all 6 numbers added up would equal 72. The subtract them. 80-72 is 8. Then divide by 2 because there are 2 numbers. 8/2 is 4. (4 is your answer)
100, because, x^2 - 20x + 100 = ( x - 10 )^2;