On a set of blueprints, a 12-foot wall is represented by a 6-inch line segment. What scale is used in the blueprints. A. 6 feet : 1 inch
B. 2 feet : 1 inch
C. 6 feet : 2 inches
D. 2 feet : 2 inches

Nine more than four times a number is the same as one less than twice the number. find the number?

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

Use sigma notation to represent the following series for 9 terms.