Please help me Cassie has a deck of 20 cards numbered 1-20. She randomly picks a card, does not replace it, and then randomly picks another card. Find the probability of each event.

1. Picks a 5 and then a 6

2. Picks an even number and then a 7

3. Picks a 5 or less and the. A number greater than 15

4. Picks a 1 and then a number greater than 4

Arrange the steps to solve this system of linear equations in the correct sequence. x + y = -2 2x – 3y = -9 tiles subtract 3x + 3y = -6 (obtained in step 1) from 2x – 3y = -9 (given) to solve for x. substitute the value of x in the first equation (x + y = -2) to get y = 1. the solution for the system of equations is (-3, 1). x = -15 the solution for the system of equations is (-15, 13). add 3x + 3y = -6 (obtained in step 1) to 2x – 3y = -9 (given), and solve for x. x = -3 substitute the value of x in the first equation (x + y = -2) to get y = 13. multiply the first equation by 3: 3(x + y) = 3(-2) 3x + 3y = -6.