How much more interest is owed on $900 for 9 months than for 6 months

Which triangles area would be calculated using the trigonometric area formula

Fracisco's game involves 3 green, 2 yellow, 4 red, and 3 black marbles. if he randomly draws three marbles from the bag, without replacement, what is the probability that he will draw yellow, and then red, and then black? a)1/192 b)1/72 c)3/220 d)1/55

Rhonda was organizing photos in a photo album.she took 60 photos and divided them evenly among p pages which algebraic expression represents the number of photos on each page