A Store charfes $0.20 per pound plus a set fee of $2 for ice. How many pounds of ice would somebody have brought if they paid $15

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

Which of the following represents the factorization of the trinomial below? x^2+7x-30