Abag has 2 red marbles, 1 blue marble and 4 gold marbles. what is the probability of drawing two gold marbles, if the first marble is replaced after it is drawn? a) 2/7 b)16/49 c)4/7 d)7/13

What is the area of triangle abc if a = 8, b = 11, and c = 15?

Two rectangular prisms have the same volume. the area of the base of the blue prism is 418 4 1 8 square units. the area of the base of the red prism is one-half that of the blue prism. which statement is true?

Solve for x where 0 equation: cot^2x+2cotx+1=0