Your classmate is starting a new fitness program. he is planning to ride his bicycle 30 minutes every day. he burns 7 calories per minute bicycling at 11 mph and 10.75 calories per minute bicycling at 15 mph. how long should he bicycle at each speed to burn 300 calories?

You download a video game to your computer. you have a 60-minute free trial of the game. it takes 5 1/6 minutes to set up the game 7 1/3 minutes to play each level. you want to find out how many levels you can play for free.which inequality describes the number of levels, l, you can play in 60 minutes? can you play 6 levels during your free trial? i need ,

Write a story that matches with the expression 42x-5 pls hurry

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet