(9+31+5)[(7.5) •4] Simplify each expression. Justify each step.

What is the prime factorization of 195

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?

The area of square garden is 300m squared. how long is the diagonal?