22=-11k help solve problem

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.

Given abcd ac=38 and ae=3x+4 find the value of x

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)