Con varias varitas de metal se construyó una red de 32 hexágonos como se muestra en la figura. ¿Cuantas varitas se usaron en toda la red? Solo coloca la cantidad

Which facts are true for the graph of the function below? check all that apply. f(x) = log8 x. (30 points pls )

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.

Which of the following is correct interpretation of the expression -4+13