The lengths two sides of a right triangle are 12 inches and 15 inchesWhat is the difference between the two possible lengths of the third side of the triangle? Round your answer to the nearest tenth.

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm