On wednesday, 1/3 of the students wore blue shirts and 1/2 of the students wore white shirts. what fraction of students wore either a blue shirt or a white shirt?

Need on this geometry question. explain how you did it.

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?

Multiply: 2.7 × (–3) × (–1.2). a. –9.72 b. –10.8 c. 10.8 d. 9.72