You draw a card at random from a deck that contains 3 black cards and 7 red cards. What is P(draw a black card)

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

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?

An alternative to car buying is to make monthly payments for a period of time, and then return the vehicle to the dealer, or purchase it. this is called