Laura takes very good care of her vehicles. She owns a blue van and a red truck. Although she bought them both new, she has owned the truck for years longer than she has owned the van. If the sum of the ages of the vehicles is years, how old is the van and how old is the truck? Ryan is thinking of a number. When he multiplies this number by and then subtracts from the answer, he ends up with his original number. What number is Ryan thinking of?

Ineed with number 17 i don’t get it at alll

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.

Define multiplicative inverse. give an example of a number and its multiplicative inverse.