Three friends are buying seashells at the gift shop on the beach. Melanie buys 2 seashells for$0.80. Rosi buys 5 sea shells for $2.00. Carlos buys 4 seashells for $1.60.

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

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol