Determine whether relation is a function and (for item 7) determine the domain and range of a function

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

]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

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters