Which transformation represents a rigid motion of a line segment on the coordinate plane? a. (x, y)->(ax, by)
b. (x, y)->(x^a, y^b)
c. (x, y)->(x+a, y+b)
d. (x, y)->(x/a, y/b)

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

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mark brainliest!

my guess would be b and d, but i didn’t actually get out the pen and paper. lol