Six friends have organized themselves by age. molly is older than jenna, but younger than brett. brett is younger than cynthia, but older than jenna. jenna is older than tina and marcus. marcus is younger than cynthia and tina. who is the oldest and who is the youngest? explain your answer.

 Youngest = Marcus

                Oldest = Cynthia

Step-by-step explanation:

Molly is older than Jenna, but younger than Brett:

Jenna < Molly < Brett

Brett is younger than Cynthia, but older than Jenna:

Jenna < Molly < Brett < Cynthia

Jenna is older than Tina and Marcus:

Tina & Marcus < Jenna < Molly < Brett < Cynthia

Marcus is younger than Cynthia and Tina:

Marcus < Tina < Jenna < Molly < Brett < Cynthia

c-   36

taxicab circle radius 9 has 4(9) = 36 points

step-by-step explanation:

to determine whether a given function is even, we simply substitute x with -x in the expression. if the result after simplification is identical to the original equation, then the function is said to be even other wise odd.

f(-x) = (-x)^2 - (-x) + 8

      = x^2 + x +8

the resulting function is not identical to the original one;

f(-x) ≠ f(x)

therefore, f(x) is not an even function