Find the numerical value of the log expression

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?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Analyze the diagram below and complete the instructions that follow. how to find tan