Miguel began deriving the equation of line cf below by defining the lengths of line segments de as x and ef as y, respectively. what proportion should he set up next using the similar triangles abc and def?

Cam bought some used books for $4.95. he paid $0.50 each for some books and $0.35 each for the others. he bought fewer than 8 books at each price. how many books did cam buy?

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.