Rita needs to replace the ink cartridge for her printer. she found four brands that make replacement cartridges. the table below shows the prices and number of pages expected from each brand.
ink cartridges
brand
price
number of pages
a
$20.00
200
b
$25.00
125
c
$30.00
150
d
$35.00
250
which brand is the best buy?

Which of the following describes the symmetry of the graph of y = x3?

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.