A bag has 10 marbles in it: 2 red, 2 green, 2 blue, 2 yellow, and 2 black. You pick a marble out of the bag one at a time and then replace it. On average, how many marbles would you have to pick before you select at least one of each color? Use the data below as four trials. Should you use more trials? red green red red yellow green red red blue black
black green black red yellow blue
red blue red yellow yellow green black
green green red yellow red black red green black black red blue

Select one:
a. 6 marbles; no, the number of trials is sufficient.
b. 8.75 marbles; no, the number of trials is sufficient.
c. 8.75 marbles, yes, more trials are needed.
d. 10.5 marbles, yes, more trials are needed.

im pretty sure its

(8,15)

step-by-step explanation:

b. would be the answer : )

step-by-step explanation:

step 1: add -16x to both sides.

16x−4y+−16x=64+−16x  

−4y=−16x+64

step 2: divide both sides by -4.

−4y /-4 = -16x + 64/-4

answer:   y=4x−16

hope i'm right

which would be true for stem changing verbs?

they have a consistent spelling change in the stem of the verb.

what is different about the verb “venir” as compared to other stem-changing verbs?

only the third person forms have a stem change.

which of the following could not be considered a “stem-changing” verb?

querer

which of the following would not be condsidered an event?

desfile

what word could be used in response to the following?

¿qué quieres comprar?

quero

what word could be used in response to the following?

¿dónde uds. pueden ir?

vamos  

ellos ir al centro comercial.

yo comprar un vestido.

pedimos

dónde tú?

dormes

step-by-step explanation: