Emma is designing a playground for an elementary school. Her drawing has a scale of 1cm: 3 feet. The length of her drawing is 15cm and the width is 20 cm. Find the area of her playground

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.

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function