If you know the sum for the following set of numbers is 20, the last number in the set must be

what value?
1 + 3 + 3 + 5 + 6 + ?

A) 7 B) 1 C) 2 D) 20

C

Psychology

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About 66,000 cases of child sexual abuse were confirmed in 2010. This number

A) greatly underestimates the extent of sexual abuse, since many victims remain silent. B) overestimates the number of cases because of children's unreliable reporting. C) represents about 30,000 cases perpetrated by women and about 36,000 by men. D) consists mostly of abuse by a stranger.

Psychology

After taking your best friend to the airport, you stay to watch the plane take off. As you watch it go, the image of the plane on your retinas becomes smaller and smaller

Why is it that you perceive the airplane as flying away from you instead of shrinking? Briefly explain how this works. What will be an ideal response?

Psychology