Answer:
see below
Step-by-step explanation:
80 - 71 = 9
That means 9 studied neither language
25+14 = 39 studied only 1 language
71 - 39 =32
32 studied both
X+13 = 13+x
i used commutative property
4(2x-3) = 8x-12
i used distributive property
2(a+b) = 2a + 2b
i used distributive property
Step-by-step explanation:
I think it is the last one.
Answer:
6/95.
Step-by-step explanation:
Prob(red marble on the first choice) = 4/(10+6+4)
= 4/20
= 1/5.
Prob(green marble on the second draw) = 6/19.
Prob( read then a green)
= 1/5 * 6/19
= 6/95.