Convert 9.8 × 10^-1 to standard form

Which number produces a rationale number when multiplied by 1/5

Which of the following parabolas opens down?

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle