Which angle is vertical to < 9

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

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?

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9