List all the combinations of three objects x, y, and z taken two at a time. What is 3C,? List all the combinations of three objects x, y, and z taken two at a time. Choose the correct answer below. O A. xy, xz, yx, yz, zx, zy О В. х, у, Z ОС. ху, хz, уz O D. Xх, ху, хz, уу, уz, zz What is 3C2? L (Simplify your answer.)

List all the permutations of three objects x, y, and z taken two at a time without repetition. What is 3P2? List all the permutations of three objects x, y, and z taken two at a time without repetition. Choose the correct answer below. O A. xy, xz, yx, yz, zx, zy О В. х, у, 2 ОС. ху, хz, yz O D. хх, ху, Xz, уу, уz, zz What is 3P2? (Simplify your answer.) hp

2. 3a-b; a=4, b 6

5a. A bag contains two red marbles, six green ones, one lavender one, two yellows, and four orange marbles.  How many sets of three marbles include all the yellow ones?   5b. A bag contains two red marbles, five green ones, one lavender one, five yellows, and six orange marbles.  How many sets of five marbles include one of each color?   5c. A bag contains three red marbles, one green one, one lavender one, three yellows, and three orange marbles.  How many sets of five marbles include at least two red ones?   5d. A bag contains three red marbles, four green ones, one lavender one, three yellows, and two orange marbles.  How many sets of five marbles include either the lavender one or exactly one yellow one but not both colors?