Solve for x: 2(5x + 9) = 78

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 ,

Acircle has a circumference of 28.36 units what is the diameter of the circle

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5