What is is the measure of one angle of a non-regular pentagon

For which rational expression is -2 an excluded value of x?

How do i put 3(x+7) in distributive property

Matt makes a birdhouse. he needs 2 1/3 cans of paint for each birdhouse. he has 10 cans of paint. how many bird houses can be made? ( i need this answered in the next 9 hrs )