Write an algebraic expression to model the unknown number problem. Which stetements are true? Select all that apply. A. You can replace "a number" with a variable to represent an unknown value.

B. Quotient means the result of subtracting two numbers. Division involving a variable is represented as a fraction.

C. The correct expression is StartFraction 9 Over n EndFraction

D. The correct expression is StartFraction n Over 9 EndFraction

100 points bc why not -3-

Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright