30 POINTS Determine whether y varies directly with x. If so, find the constant of variation and write the equation. yes; k = -3 and y = -3x
yes; k=-1/3 and y=-1/3x
no
yes; k = 3 and y = 3x

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Convert 2000 swiss francs to dutch guilders