Which expression represents the average of three test scores? x + y + z
3 (x + y + z)
StartFraction x + y + z over 3 EndFraction
StartFraction x y z over 3 EndFraction

it shoild be o

step-by-step explanation:

step-by-step explanation:

because 1/3 is a fraction. we can tell because there is a divisor symbol between the 1 and the 3. if we were to add 2 fractions together, we would add the numerators, which is the number on top, but not the denominators, which is the number on the bottom

1/3+1/3=2/3

hope this !

look at the picture.

y-intercept for the function on a picture is 4 → point (0, 4).

y-intercept for the function

is for x = 0. substitute:

y-intercept is 8 → point (0, 8).

4.5%

step-by-step explanation: