A)O 10% więcej niż 70zł to B)O 10% mniej niż 70zł to
C)O 50% więcej niż 40zł to
D)O 50% mniej niż 40zł to

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?