owen finds a rock that has some gold in it . The rock has a mass of 125 grams. He moves the gold , which is 18% of the mass of the rock . How much gold , which is 18% of the mass of the mass of the rock . How much gold does he have ?​

Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

If sin(x) = 0 and cos(x) = 1, what is tan(x)?