A man is trying to zombie-proof his house he wants to cut a length of wood that will brace a door against a wall. the wall is 4 feet away from the door and he wants to brace to rest to feet The door. about how long should you cut the brace? If he needs to buy the word for the brace how much will it cost if a foot of wood cost $3.25 if he pays with a $20 bill how much change will he get? (show all work)

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

How do you solving the solution of each system using elimination?

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?