Given triangle ABC with coordinates A(−2, 4), B(−2, 1), and C(−4, 0), and its image A′B′C′ with A′(2, 0), B′(−1, 0), and C′(−2, −2), find the line of reflection.

Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?

If a and b are real numbers, then |a-b| is always, sometimes or never equal to |b-a| ?

Abank manager wants to encourage new customers to open accounts with principals of at least $2,500. 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! "?