Một cửa hàng có 432 lít dầu đựng trong 2 thùng. Nếu bớt ở thùng thứ nhất 60 lít chuyển sang thùng thứ hai thì thùng thứ hai sẽ hơn thùng thứ nhất 18 lít. Hỏi lúc đầu mỗi thùng chứa bao nhiêu lít dầu?

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

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?