Help plz plz

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

What is the value of x in the following equation. -x ^3/2 = -27

Which of the following values cannot be probabilities? 0.08, 5 divided by 3, startroot 2 endroot, negative 0.59, 1, 0, 1.44, 3 divided by 5 select all the values that cannot be probabilities. a. five thirds b. 1.44 c. 1 d. startroot 2 endroot e. three fifths f. 0.08 g. 0 h. negative 0.59