There are 4 black, 4 red, and 4 white marbles in a box. How many marbles do you have to take out (without looking) to be sure you have at least two marbles of the same color

6

Step-by-step explanation:

(d)

step-by-step explanation:

given: the line in the graph passes through points (5,30) and (6,26).

then, the equation of line is:

now, put y=a(n) and x=n,

hence, option d is correct.

45

step-by-step explanation:

to find a percentage, add a decimal in front and multiply it by the other number.

.25 times 180= 45