Rusty is 5.75 feet tall, and casts a 7 foot shadow. find the angle of elevation from the tip of the shadow to the top of rusty’s head. round answer to the nearest tenth.

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5