A triangle has two sides that are perpendicular. Would it be a isosceles, equilateral, or scalene?

What is the absolute value of the complex number -4-sqrt2i

What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?

Renee hiked for 6 3/4 miles. after resting, renee hiked back along the same route for 5 1/4 miles. how many more miles does renee need to hike to return to the place where she started? represent your answer as a simplified mixed number, if necessary.