A=144pi^2 ft. Find the radius

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

It says factor each expression completely 8y+48

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