If 5 notebooks cost 5.25 how much would three notebooks cost ? ?

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

Which expression converts 45 degree to radians

The median for the given set of six ordered data values is 29.5 9 12 25 __ 41 48 what is the missing value?