At blood drive, 5 donors with type O+ blood, 5 donors with type A+ blood, and 2 donors with type B+ blood in line. In how many distinguishable ways can the donors be in line?

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle. he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field