At the start of the week a bookshop had science and art books in the ratio 2: 5. by the end of the week, 20% of each type of books were sold and 2240 books of both types were unsold. how many books of each type were there at the start of the week?

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 ,

Find the derivative of the function

What is the quotient of 3x^4+22x^3+37x^2-7x+10