Adrian's sister took 15 marbles out of a bag and then gave the rest to her brother. the bag her brother received had 35 marbles in it. how many marbles were in the bag to begin with? solve this equation: n - 15 = 35

Choose the number sentence that shows the identity property of addition. a. 122 = 61 + 61 b. 62 = 1 + 61 c. 61 = 0 + 61

Graph the equation. select integers for x

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).