4. two lines are perpendicular when a. the product of their slopes is -1 b. the product of their slopes is greater than one c. they have the same slope d. their slopes are undefined

What is the slope of the equation y =

Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?

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?