Help, i don’t know how to do this

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

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