OXYZ is a pyramid whose base is a right-angled triangle where XY = 7 m and YZ = 4 m. Given that
the height of the pyramid is 5 m, find its volume.

1. what are the missing reasons in the proof 2. it's in the second picture and 3

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?