Right triangle ABC, with one 60-degree angle is inscribed in a circle. If the area of the circle is 256pi, what is the perimeter of the triangle? Leave your answer in the format: (2+3root5)

What is the sum of these mixed numbers 2 1/8 + 4 3/8

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?