So, would the triangle be acute, right, or obtuse? 9,10,15

To explain, inn an obtuse triangle, one angle is greater than a right angle—it is more than 90 degrees. An obtuse triangle may be isosceles or scalene. In an acute triangle, all angles are less than right angles—each one is less than 90 degrees. An acute triangle may be equilateral, isosceles, or scalene.

S. Acute

Number nine is f(x)= 40x : ) hoped i ya