I Really need help with these questions please help

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 the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

What is (28 + 7 + 6 + 3) x 1/2 show your work