Which best describes the sides of all trapezoids?
a.
opposite sides are parallel.
b.
all sides are the same length.
c.
only one pair of sides is parallel.
d.
all sides are different lengths.

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

Marina baked cookies. she gave 3/4 of the cookies to the scout bake sale. she shared the remaining 6 cookies with her friends. how many cookies did marina bake?