(Please help) Another student also wants to see the top of the tree. The other student is 5.5 feet tall. If the mirror is to remain 3 feet from the student’s feet from the student’s feet, how far from the base of the tree should the mirror be placed?

Which of the following statements is not true? a.parallel lines are lines in the same plane that never intersect. b.congruent figures have the same shape and same size angles and sides. c.similar figures must have the same shape and the same size. d.a rotation is when you turn a figure around a certain point.

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?