You collect teddy bears. You collect 4 per day and already have 20. How many days until you a
minimum of 80 teddy bears?

Drag the tiles to the correct boxes to complete the pairs. match the cart-coordinates with their corresponding pairs of y-coordinates of the unit circle

How is working backward similar to solving an equation?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).