Consider this topic for a survey: how far do students at alpha elementary jump? which of the following would lead to a biased sample? randomly choose several students from each grade to test. test eight 6 th graders. test the first 5 people listed on each class list. test everybody in school.

Question 9 of 10 2 points suppose your sat score is 1770. you look up the average sat scores for students admitted to your preferred colleges and find the list of scores below. based on your sat score of 1770, which average score below represents the college that would be your best option? o a. 1790 o b. 2130 o c. 2210 od. 1350

Multiply and simplify. 2x2y3z2 · 4xy4x2 how to do?

Apossible wavelength for the color blue is 0.000000492 meter. which of the following is a reasonable estimate for this wavelength for the color blue? a. 5 × 10-6 m b. 5 × 107 m c. 5 × 10-7 m d. 5 × 106 m