Sara uses a scale of 1 cm : 12 m to draw a floor plan of a
new store. she has to redraw the drawing so that it is
larger for her presentation. could sara use the following
scales? select yes or no for each scale.
a. 1 cm : 8 m
b. 1 cm : 20 m
c. 2 cm : 24 m
d. 3 cm : 15 m

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

The value of cos 30° is the same as which of the following?

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.