Which phrase defines a rhombus?

choose all answers that are correct.

a.

a parallelogram with four congruent angles

b.

a parallelogram with four congruent sides

c.

a quadrilateral with four congruent angles

d.

a quadrilateral with four congruent sides

If the public debt of a country in 2009 was $10432000000000 and the budget for 2010 was in deficit by $201645000000, what was the public debt in 2010? do not include commas in your answer.

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

The legs of a right triangle measure 6 meters and 8 meters. what is the length of the hypotonuse.