Which of the following are properties of all parallelograms? Select all that apply A- Opposite angles are equal in measure
B- opposite sides are equal in length
C- All angles are congruent
D- Opposite sides are parallel
E- They are quadrilaterals.
F- All sides are congruent

Consider 6x2 + 6x + 1. which term immediately tells you that this expression is not a perfect square trinomial? justify your answer

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if