What is 1/5 + 7/8 PLS HELP ME if you help me I’ll give you 20 points!

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

What is the distance between point a and b

5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%