Umm ok what 20 plus negative 25 minus 3

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 ,

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?