What is the order of rotational symmetry for a rhombus?

Triangle xyz has vertices x(1,3), y(0,0)

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2