What Fraction of the whole circle is arc RS

Which expression and diagram represent “renee biked four times as far this month as last month”?

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 product of (7x-2) and (20-3x)/4. when x=4