Determine the intercept of the line

Atriangle has side lengths of 15 inches and 30 inches. it also has angles that measure 45º and 20º. which of the following identifies the possible third angle of the triangle? a. 15 in., 65º b. 45 in., 65º c. 17 in., 115º d. 14 in., 115º

In the rectangle below ac=30 units what is de

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)