An unfenced grass land is in the form of a right triangle ABC with AB=4m, BC=8m and AC is the hypotenuse. A goat is tied to 5m long rope with its stake at point O which is 2m from side AB, and 2m from the prolongation of side BC through corner B​

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

Use sigma notation to represent the following series for 9 terms.

]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