(Find the measure of x)

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?

Polygon abcd is a rectangle what is the area

The coverage of a base station of a telecommunication company forms a disk with a radius of (kilometers). let be the distance of a cellphone from a base station. assume that the location of cellphones in use are randomly uniformly distributed within the disk. calculate the mean and variance for the random variable.