Math puzzles

You must use the four numbers below to make the desired result. You may use the basic math to do so: +,-,*, /, (). Every day you will find two new puzzles.

Good luck.

Puzzle 1

The numbers: 1 4 5 9 must make: 3

Puzzle 2

The numbers: 2 6 8 8 must make: 5

Puzzle 3

The numbers: 2 4 6 9 must make: 27

Puzzle 4

The numbers: 2 8 8 9 must make: 17

Puzzle 5

The numbers: 2 7 7 8 must make: 12

Puzzle 6

The numbers: 3 4 6 7 must make: 4

Puzzle 7

The numbers: 1 3 6 8 must make: 38