Which two ratios represent quantities that are proportional? A. 4/9 and 14/19, B.30/36 and 40/46. C. 27/81 and 21/72, and D. 40/48 and 100/120?

Simplify (2^5/3^2)^4 a. 2^20/3^8 b. 2^9/3^8 c. 8^5/12^2 d. 2/3^2

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c