Latrell will rotate △abc 180° about one of the labeled points. latrell says, “the image will only touch the pre-image at exactly one point.” which points could be his center of rotation? select each correct answer. point a point b point c point d point e point f

I’m stuck on this i don’t understand.

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later, she sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions, how much money did jody make?