Astudent takes a ten-question true-false quiz, but did not study and randomly guesses each answer. find the probability that the student passes the quiz with a grade of at least 70% of the questions correct.

Can u guys do this ratio question. this is extremely urgent a tap is leaking water at a rage of 1l every 8 hours. how long will it take for the tap to leak a total of 300ml?

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?