a box contain 5 white,2 red, 3 blue and 5 yellow marbles. what is the probality of getting: (i) a red marbles (ii) a yellow marbles

total number of marbles= 5+2+3+5 = 15 marbles

probability of a red marble - 2/15

probability of yellow marble - 5/15 = 1/3

i) 2/15 ii) 1/3

Step-by-step explanation:

the number of marbles all together is 15

2 out of the 15 are red, so 2/15

5 out of 15 are yellow,so 5/15, simplified to 1/3

which expression can be used to convert 80 us dollars (usd) to australian dollars (aud)?

1 usd = 1.0343 aud

1 aud = 0.9668 usd

step-by-step explanation:

sorry just need the points

(x) - (y) = (1 + 4i)