Rewrite the function f(x)=x^2-4x-32 in standard form

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Which of these triangle pairs can be mapped to each other using two reflections?

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