If a l band e | f, what is the value of y?
[(x + 1):
o 87
88
91
log2
(x-3°

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?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

The ratio of the height of two similar cylinders is 4 to 3 what is the ratio of their volumes