Show 3 and all multiples of 3 in set builder notation

In djkl, side jk measures 10.6 inches, side kl measures 7 inches, and side jl measures 5 inches. based on the information that is provided, which could be a correct set of angle measures for these sides? angle j = 23.2°, angle k = 33.5°, angle l = 23.2° angle j = 23.2°, angle k = 33.5°, angle l = 123.2° angle j = 123.2°, angle k = 23.2°, angle l = 33.5° angle j = 33.5°, angle k = 23.2°, angle l = 123.2°

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers