Hello! I would like some help. Thank you! Find the length of the right triangles other leg. Round to the nearest tenth. Leg=10

A. 6.6 ft
B. 15.6 ft
C. 43.6 ft
D. 2ft

Thank you!!!

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?  

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g