(i will give 98 points [that's the most it would let me do] )
you want to build a birdhouse and attach it to a branch in a 12-foot tree. you have the following materials: wood, glue, screws, saw, hammer, screw driver, nails, ruler, and a pulley system connected to a tree. your birdhouse needs to be a rectangle that is 30 centimeters long and 15 cm wide. list the simple machines you would use to create this birdhouse and how you would use them. use a minimum of three different simple machines.

the simple machines in this list are the saw, hammer, screwdriver, ruler, and the pulley system.

Explanation:

SAW:   place saw on wood then push and pull to shave away at the wood.

HAMMER:  aim for nail and hit really hard without hitting your hand.

SCREWDRIVER:   place screw bit in screw socket and twist.

RULER:   place against object and look at the mesurement on the numbers.

PULLEY: attach an object on one end of the pulley rope and pull on the other end to raise the end with the attached object.

c because the action was the roller coaster reaches bottom of hill (action) reaction would be blood tends to drain away from head

hope this !