Evaluate 2w2+8, when w=−4.

HELP ASAP

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 ,

Which equation matches the graph shown ?

How do you use the elimination method for this question? explain, because i really want to understand!