54 A spinner contains two halves, one yellow and one purple. If Bob spins the spinner three times, what is the probability that Bob spins yellow at least two times? n O 01/2 0}

You can rent time on computers at the local copy center for $7 setup charge and an additional ​$3.50 for every minute used. How many minutes can the computer be rented for $70? (If necessary, round your answer to the nearest whole number.) ENTER A NUMBER ONLY, WITHOUT ANY UNITS OR SYMBOLS.

During intermission, Shari bought a soda for $.79. Ifshe paid with a one dollar bill, what are three different combinations of coins she could have received as change?

My apologies. I didnt realize only one question could be submitted at a time (as I had seen similar posts/solutions in the bartleby archive). I entered $143839.83 but it came back as being incorrect. Can you please help me in finding the correct answer?