Which rotation rule, if any, can be used to prove that pentagon a(0, 4), b(7, 4), c(9, 2), d(7, 0), e(0, 0) and pentagon a'(0, -4), b'(-7, -4), c'(-9, -2), d'(-7, 0), e'(0, 0) are congruent?

answer choices

a)(x, y) → (-x, y)
b)(x, y) → (x, -y)
c)(x, y) → (-x, -y)
d)the pentagons are not congruent.

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?