I really need help! I don't understand..

Thanks!

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x

Nicole is making carrot bread she needs 5 cups of carrots for 2 cups of sugar. what is the ratio of cups of sugar to cups of carrots that nicole will need? write the ration in three different ways

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4