How long drive 450 miles, driving 60 mph?

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

Which of the following scenarios demonstrates an exponential decay

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625