Plant a is 18inches tall after one week 36inches tell after two weeks 56 inches tall after three weeks. plant b is 18 inches tall after one week, 36inches tall after two weeks 54 inches tall after three weeks. which situation represents a proportional relationship between the plants' height and number of weeks

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.

Write the equation in logarithmic form e^x=403.429

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?