Alejandra's dvd movie collection includes 4 horror selections, 4 science fiction, 3 drama, 3 thrillers, and 2 comedies. if she picks two dvd's for an evening, without replacing them, what is the probability she will pick two thriller selections?

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

Measures of the angle of r, 31 s (x+4) t (3x+9)

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?