The cable television company reduced rates 20% last year . if the original service was $20.50 what is the new cost?

Which must be true in order for the relationship △zyv ~ △xwv to be correct? zy ∥ wx ∠z ≅ ∠y and ∠w ≅ ∠x zv ≅ vy and wv ≅ vx ∠z ≅ ∠x and ∠w ≅ ∠y

Can you explain how a table can be used to find a rate of change?

Matt makes a birdhouse.he needs 2 1/3 cans of paint for each birdhouse.he has 10 cans of paint.how many bird houses can be made? ( i need this answered in the next 9 hrs )