Which of the following statements is not true about drop down menus?

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 pressure and temperature remain constant, will the volume of gas in the respirometers increase or decrease?

1. the community center is putting on a play. there are several things the crew has to create for the scenery. (a) they spent $6.17 on each of 4 poster boards. how much did they spend on poster boards in total? show your work. (b) they spent $200.20 total on new lighting. each of the four lights cost the same amount. how much did they pay per light? show your work. (c) if the total budget was $300, how much more can they spend? show your work.