Ies a new conditioner to his hair. He finds that the rate at which his hair
grows can be modeled by a linear function. He observes that the rate of growth is
2 cm every 3 days. After 21 days, he measures the length of his hair to be 24
centimeters. What was the initial length of his hair?

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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.

3c2 + 2d)(–5c2 + d) select all of the partial products for the multiplication problem above.

If cos(θ)=2853 with θin q iv, what is sin(θ)?