Which of the following represents the set of possible rational roots for the polynomial shown below?
x^3+5x^2-8x-20=0

Tell me how you got the it use the figures to answer questions 1and 2. in each diagram, line k is parallel to line l, and line t intersects lines. 1. based on the diagrams, what is the value of x? 2. how would you verify your answer for x?

Ivan and jeff buy a package of 8 pens for $4.00. ivan wants 5 of the pens, and jeff wants 3.how much should each student pay?

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?