Amy has a box containing 6 white, 4 red, and 8 black marbles. she picks a marble randomly. it is red. the second time, she picks a white marble. in the third attempt, amy picks a white marble again. amy has not replaced the marbles she picked. the probability that the fourth marble amy picks is black is . if amy picks a black marble in the fourth attempt, the probability that in the fifth attempt she will pick a red or a black marble

Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.