Suppose a floor plan has a length of 18 ft. Using Alberti’s recommendations, find the width of the floor plan, using the octave. Round to one decimal place and type just the numeric value below. 

Going west in a covered wagon was inexpensive and affordable to anyone.

Determine whether the following progression is arithmetic, geometric, harmonic, or none of the above. If arithmetic or harmonic, find the common difference, d. If geometric, find the common ratio, r.  

After Lincoln’s assassination, some slave owners told their slaves that because Lincoln had freed them and he was dead now, they ___________________.

Most white people in the American South owned slaves.

Some foods cost less now than they did during the California Gold Rush.

Suppose a floor plan has a length of 34 ft. Using Alberti’s recommendations, find the width of the floor plan, using the octave doubled. Round to one decimal place if necessary and enter just the numeric value below.

Determine whether the progression above is arithmetic, geometric, harmonic, or none of the above. If arithmetic or harmonic, state the common difference, d. If geometric, state the common ratio, r. 50, 10, 2, …

Insert a geometric mean between 3 and 48.

Which of the following represents the golden ratio, using a line segment which has been divided into a short length (a) and a long length (b) as shown below?