Mr. Winder's science class made paper airplanes and tested them in the gym. Simi, Holly, and Sean each made 6 airplanes, and Jeff made 8. What expression could be used to find the total number of airplanes the four students made?

trapezoid

step-by-step explanation:

first i plotted all my points on a grid graph

i made sure all of them were in the correct quadrant

then i saw it was a trapezoid or a quadrilateral

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

explanation:

step-by-step explanation: