Find the volume of cylinder with radius 3 inches in height 10 inches

The step function g(x) is defined as shown. what is the range of g(x)? ***answer choices in picture.

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle