The effectiveness of two speed reading programs is being compared. Ten pairs of people are randomly selected; each pairs consists of people whose present reading speeds are essentially identical.

step-by-step explanation:

answer: 0

step-by-step explanation: the positive, like 5, + its opposite, like -5 would be 0

5+(-5)=0, or 5-5=0

answer: the answer is d

after going and makeing graphs i would go with a,

there is nothing that is matches the graph. if there was i would show you. but therefore my answer is a.

hope i

-lavira: )