Please help! 20 points and! Which ratio forms a proportion with 14/42? 1/4 7/21 12/40 28/80
(Please explain how you got the answer)

#12 find the value of x. #13 find the value of the variable.

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 frequency of the sinusoidal graph?