John went to a deli on his lunch hour. He bought 1.3 lb. of roast beef and 0.6 lb. of cheese. Both were on sale for $3.99 per pound. To the nearest cent, how much was John’s total at the deli?

If John paid with a $10 bill, how much change did he receive?

Plz need answer now will mark which situations represent linear functions? check all that apply. a)the temperature rises and falls over the course of a day. temperature is a function of time. b)a baseball is hit into the outfield. the height of the ball is a function of time. c)a car goes 55 mph on the highway. distance is a function of time. d)a child grew 2 inches this year and 1 inch last year. height is a function of time. e)a movie director makes 2 movies per year. the number of movies is a function of the years.

What is the reflection image of (5,-3) across the line y = -x?

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.