John, karl, and marcus each have a different favorite subject: math, english, and science. each also has a different favorite color: green, blue, and black. marcus likes black, the guy that likes science likes blue, and karl likes math.

who likes blue?

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)