Students collected 600 cans for the canned food drive. that was 80% of their goal. how many more cans do they need to collect to reach their goal?

What are the soultion(s) to the quadratic equation 40- x^2=0

Which question is not a good survey question? a.don't you agree that the financial crisis is essentially over? 63on average, how many hours do you sleep per day? c. what is your opinion of educational funding this year? d.are you happy with the availability of electronic products in your state?

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?