What is expand and simplify (with explanation):

1) 5(3x-5)+2(3x+2)
2) 4(2x-4)-3(2x+3)
3) 5(5x-6)=67.5

Place the following steps in order to complete the square and solve the quadratic equation,

Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?

Identify the number as a rational or irrational.explain. 127