Ten billion is how much less than trillion

You put the following items into your rucksack. ham 600 g cheese 380 g tomatoes 270 g how much do all the ingredients weigh in total?

Which of the following is true for the relation f(x)=2x^2+1

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles