Select the correct answer. rectangle abcd is dilated by a scale factor of 2 with the origin as the center of dilation, resulting in the image a′b′c′d′. if the slope of `bar(ab)` is -2, what is the slope of `bar(a'b')` ? a. -4 b. -1 c. -2 d. 0

Abank manager wants to encourage new customers to open accounts with principals of at least $2 comma 500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?