Which expressions show the expanded form for 40.507? choose all answers that are correct. a. 4 × 10 + 0 × 1 + 5 × + 0 × + 7 × b. 4 × 10 + 5 × + 7 × c. 4 × 10 + 0 × 1 + 5 × + 0 × + 7 × d. 4 × 10 + 5 × + 7 ×

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

Negative 5 1/12 + negative 4 1/4 + 6 3/4

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?