Converting a decimal to a mixed number and as a improper fraction,

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°