How many ways can the letters of the word eight be arranged if the first letter must be an e? a. 720 b. 120 c. 24 d. 5

C

Step-by-step explanation:

1st letter (E)     2nd letter     3rd letter    4th letter     5th letter

      ₁C₁                   ₄C₁              ₃C₁              ₂C₁               ₁C₁    

        1         x          4        x        3       x        2       x         1        = 24

or

      ₁P₁   x    ₄P₃

       1    x     24   = 24    

5x + 5

step-by-step explanation:

you should always add the diagrams and graphs we cannot see. this particular question is kind of borderline because we can make a graph for you.

(f + g)x = -x^2 +3x + 5 + x^2 + 2x

(f + g)x = 5x + 5

the graph of z = 5x + 5 is shown below. always use desmos when in doubt.

i think the answer is b. i hope i !