henry wants to join a book of the month club the first club cost $40 to join and $10 per book the second club cost $15 per book and has no fee to join how many books would need to be purchased from each club for the clubs to cost the same?

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?

Areflection of shape i across the y-axis, followed by a , and then a translation left 6 units and down 4 units confirms congruence between shape i and shape ii. alternatively, a of shape ii about the origin, followed by a reflection across the y-axis, and then a translation right 4 units and up 6 units confirms congruence between shape ii and shape i.