Carla and jonah are working together to determine if quadrilateral CDEF with coordinates c(2,3), D(1,2) E(4,1) and F(5,3) has a right angle. Carla's sets up the following equations: mcd=2-3/1-2
Mde=1-2/4-1 Jonah sets up the following equations: mcd= 2-3/1-2 Mef=3-1/5-4
Who is on track to get the correct answer and why?

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music.they were asked how they like three types of music: rock, country western and jazz.the results are summarized below: no one dislikes all three types of music.six like all three types of music.eleven don’t like country western.sixteen like jazz.three like country western and jazz, but not rock.six don’t like rock.eight like rock and country western.seven don’t like jazz.how many students were surveyed?

Which function has an inverse that is also a function? a. g(x) = 2x-3 b. k(x) = -9x2 c. f(x) |x+2| d. w(x) = -20