2(8x - 4) - 2x≤ 14x +12 is this sometimes , always, or never true

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

The expression 1.01*1.005(^t) gives the amount of money, in thousands of dollars, in carter's savings account (t) years after he opens it. what does 1.01 represent in this expression?

Benefit(s) from large economies of scale, in which the costs of goods decrease as output increases. natural monopolles perfect competition