a bag contains 9 counters 4 of the counter are blue 2 counter are taken out of bag at random calculate the probability that at least one of the two counter is blue

6+5/18

Step-by-step explanation:

the probability that both are blue;

4/9 × 3/8 = 6

the probability that only one is blue;

4/9 × 5/8 = 5/18

6 + 5/18

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign

the answer is b. 60. each interior angle in 120, so the exterior angle must be 60 in order to add up to 180

step-by-step explanation: