Which choice describes a parallelogram? a. a quadrilateral with a pair of adjacent congruent angles b. a quadrilateral with diagonals that are congruent c. a quadrilateral with two different pairs of adjacent congruent sides d. a quadrilateral with two pairs of parallel sides

Which number line represents the solution set for the inequality -1/2x> 24?

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.