What is the area of the trapezoid (-3,5)(1,7)(8,1)(-4,-5) Show your work.

An unknown number of kids and buses are getting assigned. when assigning 4 kids to each bus, there are 2 kids that aren't placed in a bus. when assigning 8 kids to each bus, there are 2 empty buses. how many total kids are there?

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1