If f(12) = 100(0.50)^12, which expression gives f(x)?
A) f(x) = 0.50x
B) f(x) = 100x
C) f(x) = 100(x)^12
D) f(x) = 100(0.50)^x

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

If myesha works overtime, she gets paid "time and a half" for every hour she works. in other words, for every hour over 40 hours myesha works each week, she gets her hourly pay plus half her hourly pay. what is myesha's pay per hour when she works overtime?

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?