Sofia is playing a board game. Her score was -48 at the start of her turn. Then at the end of her turn her score was -25. What was the change in Sofia’s score?

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 =

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).