Pls help will give brainliest

Me find the missing dimension of a triangle height: 7 in., area: 21^2

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 ,

At school there are 526 students and 263 are girls about how likely is it that a randomly chosen student will be a boy