Which of the following are expressions? Check all that apply. Group of answer choices

3 + x

twelve is three more than nine

the difference of x and 8

2y

The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82

Anyone know? will mark brainliest if you're correct!

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl