Which expression has the smallest value ? -19 -34 11 47

What is the exact volume of the cylinder (radius 13 in., height 30 in.)

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?