The area of an equilateral triangle is 16√3 cm2, then the perimeter of the triangle is?

Which statements about these triangles is true

The parabola opens: y=√x-4 (principal square root) up down right left

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3