Can someone help?

Find the mean of the data in the bar chart below.

Acoin is tossed twice. let e e be the event "the first toss shows heads" and f f the event "the second toss shows heads". (a) are the events e e and f f independent? input yes or no here: yes (b) find the probability of showing heads on both toss. input your answer here: preview

What is this equation in point-slope form?

Find cot x if sin x cot x csc x = √2