What is the probability of getting exactly 2 heads, given that the first toss is a head?

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?