In the game of blackjack, a 2-card hand consisting of an ace and either a face card or a 10 is called a "blackjack." if a standard 52-card deck is used, determine how many blackjack hands can be dealt. (a "face card" is a jack, queen, or king.)

What's the difference between: x≥0 and nonnegative integer. ?

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

Lesson 9-3 for items 8-10, a square is drawn in the coordinate plane, with vertices as shown in the diagram. then the square is reflected across the x-axis. -2 4 8. the function that describes the reflection is (x, y) - a. (x, y-3). b. (x, y-6). c. (-x, y). d. (x,- y).