7000 litres of water is pumped out if a tank in 42 minutes. how many litres could be pumped out in one hour

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?

What are the solutions for the following system? -2x^2+y=-5 y=-3x^2+5

Which expression represents the total perimeter of her sandwich, and if x = 1.2, what is the approximate length of the crust?