Michael is taking a survey of students at his high school to find out how many hours they work per week. he surveys all of the students in his freshman english class. is this a good sampling method? a 15 foot flagpole casts an 11 foot shadow. at the exact same time a 28 foot tree casts a shadow. which proportion would correctly find the length of the tree's shadow?

Myra took a picture of the sky one afternoon when two jet airplanes appeared to draw a pair of parallel lines with their vapor trails. the vapor trails from two other jets flying from another direction crossed over the parallel trails. she printed her picture and labeled the angles and lines. assume lines c and d are parallel and 2 measures 98°. which statements are true? check all that apply. 3 = 6 = 98° 3 = 14 = 98° 4 = 8 = 82° 4 = 12 = 82° 5 = 8 = 82°