Calculați: a) 25% din 100 m b) 30% din 12,05 km c)40% din 60 m2(metru patrat) d) 32% din 3 1 supra 3 kg e) 0,1 % din 10 l

Aright triangle has an area of 18 square inches. b: if the triangle is not an isosceles triangle, what are all the possible lengths of the legs, if the lengths are whole numbers. answer !

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.