The variable z is directly proportional to x. when x is 3, z has the value 54. wha is the value of z when x= 12

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

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.