When the researcher finished his study, the height of the flower was about 11.04 inches. What is a reasonable domain to plot the growth function? HINT: This should be an inequality

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.

Sketch one cycle if the cosine function y=2cos2theta

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?