Write and solve a proportion to answer the question. 25% of what number w is 9? [the answer] = 25/100

Calculate the density of benzene if 300ml of it weighs 263g. a. 0.88 g/ml b. 1.14 g/ml c. 78,900 g/ml d. 37 g/ml

Abag contains 5 red marbles , 6 blue marbles and 4 green marbles. susie selects a marble and returns it to the bag before selecting another marble. if susie selects a red marble 6 out of 20 times, what is the experimental probability that the next marble she selects will be a red marble ?

Ali was paid $75 for mowing a neighbor''s yard. this is one fourth of the amount of money she earned all summer