Which quadrilaterals have two pairs of opposite sides that are parallel and have no right angles?

choose all answers that are correct.

a.
parallelogram that is not a rectangle

b.
trapezoid

c.
square

d.
rhombus

What is the rotational symmetry of a wheel

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.