A group of students took a test and the following frequency table shows the scores above
The mean score is
A group of students took a test and the following frequency table shows the scores above
The median score is
If cos 60° = 1/2, which of the following angle has cosine of -1/2?
In the diagram above, find the ratio |PQ|/|PR|
A ladder 9m long leans against a vertical wall, making an angle of 64° with the horizontal ground. calculate correct to one decimal place, how far the foot of the ladder is from the wall.
