If a piece of machinery depreciates continuously at an annual rate of 4%, how many years will it take for the value of the machinery to halve?

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]

Can someone me with this problem i don't understand i need

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?