Solving systems using elimination, Instructions
solve each system of equations using the elimination method. check the solution
1. 3x-2y=10 and 7x+2y=30

2. -x+5y=19 and x+2y=16

3. 3x+4y=23 and 3x-2y=11

4. 10x-6y=54 and -4+3y=-24

5. 6=4x+2y and -19=4x-3y

6. 4x-y= -2 and 2x+y=2

7. 3x+8y=2 and 4x-2y= -10

8. 2x-4y=10 and -4x+3y= -20

Adice is rolled 5 times. how many possible rolls are there? ( determine the number of outcomes using only the fundamental counting principal )

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point