Determine the interval on which x^2 + 2x -3>0

Which term best describes the association between variables a and b

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 the expression as a single natural logarithm. 2 in a - 4 in y