Aforeign exchange dealer is willing to buy the new zealand dollar (nz$) at $0.7621/nz$ and will sell it at a rate of $0.7714/nz$. what is the bid-ask spread on the danish krone? (round your final percentage answer to two decimal place places.)

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?