Can someone help me with these questions please and thank you.

Write the converse of the following statement: if the trees have no leaves, then it is fall. if the trees have no leaves, then it is fall. the trees have no leaves, therefore it is fall. it is fall since the trees have no leaves. if it is fall, then the trees have no leaves.

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

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much