Ajar contains 4 green, 5 blue, 1 red, 5 black marbles. two marbles are drawn from the jar at random without replacement. what is the probability both marbles drawn are blue

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.