F(x) = x2 + 1 g(x) = 5 – x

(f + g)(x) = (f – g)(x) =

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

The diagram shows a cuboid abcdefgh abcd is a square with area 25cm². find the volume of the cuboid.

The mountain springs water company has two departments, purifying and bottling. the bottling department received 67,000 liters from the purifying department. during the period, the bottling department completed 65,000 liters, including 3,000 liters of work in process at the beginning of the period. the ending work in process was 5,000 liters. how many liters were started and completed during the period?