Sandra and heather hung out at the mall on saturday. they spent 45 minutes shopping for clothes and 1 hour and 5 minutes at the food court. then they spent 2 hours and 55 minutes at the video arcade before heading home. it was 2: 40 p. m. when sandra and heather left the mall. what time did they start shopping for clothes? include a. m. or p. m. in your answer (for example, 11: 58 a.

Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

20 da is equal to a. 2,000 cm. b. 2 m. c. 20,000 cm. d. 20,000 mm