(1 point) A fair coin is tossed 7 times. What is the probability that: a) Exactly 5 heads appear? b) At least two heads appear? c) At most 4 heads appear?

Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint.how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

Does the point (1, sqrt 7) lie on circle shown.