The distance between Prague and Vienna is 254 kilometres. The local time in Prague is the same as the local time in Vienna.

A train leaves Prague at 15 20 and arrives in Vienna at 1950 the same day.

Calculate the average speed of the train.

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?