Does 3.2 to 8 and 1.2 to 3 form a proportion?

Can someone me with the property questions for 12 13 and 14 plz

Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x,y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?