What was the total ridden by all of the children 1/5+2/5+3/5+4/5+1

What is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?