Determine if the following three side lengths can form a triangle. a. 20in, 10in, 9in
b. 8cm, 7cm, 11cm
c. 4m, 7m, 11m

PLS i’m doing the open response and need help

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