What are the various measures that can be adopted to control inflation?

Facial shaving brushes are either bulb-shaped or fan-shaped. an experiment is to be conducted to determine whether the lather thickness is the same for both types of shaving brushes. in previous studies, it was determined that shaving brush size (small, medium, large) is associated with lather thickness, but shaving brush type (wolf whiskers, maggard razors, frank shaving, and so on) is not associated with lather thickness. how could the experiment best be conducted? by blocking on shaving brush size by blocking on shaving brush type by blocking on shaving brush shape by blocking on lather thickness without blocking

If calculating interest by the previous balance method, purchases and payments during the month __ counted in calculation of interest. a. are b. are not c. must be d. are sometimes

Idon’t understand 8. plz ! we are finding the area of polygons. thx in advance!